EP0960976B1 - Distributeur de vapeur - Google Patents

Distributeur de vapeur Download PDF

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Publication number
EP0960976B1
EP0960976B1 EP99106396A EP99106396A EP0960976B1 EP 0960976 B1 EP0960976 B1 EP 0960976B1 EP 99106396 A EP99106396 A EP 99106396A EP 99106396 A EP99106396 A EP 99106396A EP 0960976 B1 EP0960976 B1 EP 0960976B1
Authority
EP
European Patent Office
Prior art keywords
openings
carrier plate
steam
box according
blower box
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99106396A
Other languages
German (de)
English (en)
Other versions
EP0960976A1 (fr
Inventor
Dieter Müller
Erich Grundler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Patent GmbH
Original Assignee
Voith Paper Patent GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voith Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP0960976A1 publication Critical patent/EP0960976A1/fr
Application granted granted Critical
Publication of EP0960976B1 publication Critical patent/EP0960976B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/008—Steam showers

Definitions

  • the invention relates to a steam blower box for applying steam to a passing material web, in particular a paper or cardboard web to be dewatered, which runs through the press section of a paper machine and which extends across the entire web width transversely to the web running direction and comprises a large number of zone chambers lined up along the web width. which are connected to a steam source via separate control valves, each zone chamber being connected to a steam line and the steam lines being led to at least one support plate, where they are each coupled to a supply line connected to the steam source.
  • Such a steam blow box is mainly used in papermaking. It serves to increase the temperature of the material web with the help of the steam applied to the material web in order to improve the dewatering of the material web.
  • the steam blower box offers the possibility of influencing the moisture cross profile of the material web through the sectional steam application.
  • a steam blow box of this type is known for example from DE 44 02 278 A1, DE 44 01 220 C1 or WO-A-96/22420.
  • the supply lines are grouped together on supply plates, which are connected to the carrier plate via quick-action clamping elements get connected. If the respective steam blower box is removed, quick disconnection is possible via the quick release elements.
  • the aim of the invention is to provide a steam blower box of the type mentioned in the introduction, in which the supply lines can be detachably attached to the carrier plate in a particularly simple and reliable manner.
  • the supply lines at their ends coupled to the steam lines are each provided with a plug having a stop and the support plate has openings into which the plug nipples from one side of the support plate until their stops abut of the relevant plate side can be inserted in order to couple the supply lines to the steam lines ending on the other side of the plate, and that the supply lines are fixed to the carrier plate by at least one fixing strip which interacts with the stops and can be moved parallel to the carrier plate behind the stops, so that these are held on the relevant plate side by the fixing strip.
  • the fixing strip is preferably tapered at its front end in the direction of displacement, thereby creating a contact surface which interacts with the stops, by means of which, if necessary, the relevant plug nipples are pushed further into the openings, in particular until the stops abut the support plate, before the plug nipples are pushed further through Fixing strip to be fixed on the support plate.
  • At least some of the openings provided in the support plate can be arranged in at least one row, the plug nipples inserted into this row of openings being fixed to the support plate by at least one fixing strip which can be moved laterally along this row of openings.
  • Several supply lines can thus be fixed to the carrier plate by means of a respective fixing strip.
  • the fixing bar can be displaced step by step so that the plug nipples assigned to an adjacent row of openings can be inserted one after the other into successive openings in this row and can be fixed on the carrier plate by the correspondingly pushed fixing bar.
  • the openings provided in the carrier plate are arranged in a plurality of rows parallel to one another and the plug nipples inserted into these rows of openings are fixed to the carrier plate by fixing strips which can be moved laterally along the rows of openings. Fixing strips provided between adjacent rows of openings can interact both with the stops of the plug nipples inserted into one row of openings and with the stops of the plug row in the other row of openings in order to fix the relevant plug nipples on the carrier plate.
  • At least one fixing bar which can be displaced parallel to the rows of openings is preferably provided between adjacent rows of openings and laterally on the outside of the two outer rows of openings.
  • the respective fixing strips are gradually so again displaceable that the plug nipples assigned to a respective adjacent row of openings can be inserted one after the other into successive openings of this row and can be fixed on the carrier plate by means of the correspondingly pushed fixing bar.
  • an outer row of openings is expediently first equipped with plug-in nipples, which are initially only fixed to the carrier plate by the relevant outer fixing strip. While the second row of openings is being fitted, a further fixing strip is inserted, which then expediently serves to fix the plug-in nipple in both adjacent rows of openings.
  • the fixing strips can be displaceable from the same side of the carrier plate into a respective fixing position. In principle, however, the use of fixing strips is also conceivable, which are inserted from opposite sides of the carrier plate.
  • the fixing strips are preferably guided on the carrier plate.
  • a plurality of guide elements arranged one behind the other in the direction of displacement of the fixing strips can be provided on this carrier plate, such a guide element preferably being arranged between successive openings intended for the plug nipples.
  • the guide elements can be formed, for example, by webs which extend parallel to the direction of displacement of the fixing strips and which have mutually parallel guide openings in the direction of displacement of the respective fixing strips.
  • the stops of the plug nipples are preferably each ring-shaped. You can thus in particular also cooperate with two fixing strips provided on opposite sides of the relevant plug nipple.
  • Each plug nipple is expediently provided with at least one O-ring. Before the nipples are inserted into the relevant openings, the O-rings are expediently greased.
  • the carrier plate can, for example, extend from one end of the steam blow box into the area outside a respective paper machine.
  • Such support plates can also be provided at both ends of the steam blow box.
  • a carrier plate in question can also be arranged at another location.
  • the carrier plate is at least substantially horizontally aligned.
  • the plug nipples can be inserted into the openings from the underside of the carrier plate.
  • the supply lines expediently comprise flexible hoses so that they can be laid further down, in particular hanging.
  • the flexible hoses can be at least partially provided with a tight braid. In order to maintain the greatest possible flexibility, for example in the region of the carrier plate, such braiding can only be provided at a certain distance from this carrier plate.
  • the supply lines can be connected, for example, to a steam distribution station or control valve station having the control valves.
  • the fixing strips are expediently secured to the carrier plate by means of screws and locking plates and / or the like.
  • FIG. 1 shows a purely schematic partial illustration of a steam blow box 10 for applying steam to a passing material web, such as in particular a paper or cardboard web to be dewatered and running through the press section of a paper machine.
  • a passing material web such as in particular a paper or cardboard web to be dewatered and running through the press section of a paper machine.
  • the steam blower box 10 which extends transversely to the direction of web travel over the entire web width, comprises a plurality of steam boxes 10 across the web width Zone chambers 12 lined up with one another. These zone chambers 12 are connected to a steam source via separate control valves 14. Each zone chamber 12 is connected to a steam line 16. The steam lines 16 are led to a carrier plate 18, where they are each coupled to a supply line 20 connected to the steam source.
  • the carrier plate 18 extends from one end of the steam blow box 10 into an area outside the relevant paper machine. In principle, however, this carrier plate 18 can also be provided at another location.
  • the carrier plate 18 is oriented at least essentially horizontally.
  • the supply lines 20 are connected from the underside to the support plate 18 and then hanging downward and then to a steam distribution station or control valve station 22 having the control valves 14.
  • the supply lines 20 are each provided at their ends coupled with the steam lines 16 with a plug nipple 24 which has a respective stop 26 and is provided with a respective O-ring 28 (cf. in particular Figure 4).
  • the carrier plate 18 is provided with openings or bores 30 which, in the present case, are arranged in eleven rows R 1 -R 11 which are parallel to one another and which are correspondingly numbered from right to left in FIG.
  • each row of openings R i apart from the left row of openings R 11 , thirteen openings 30 are provided in each row of openings R i .
  • the openings 30 of a respective row of openings R i are provided at the same distance from one another.
  • the eleven rows of openings R 1 -R 11 are arranged at the same distance from one another, their openings 30 being aligned with one another in the manner shown in FIG.
  • the plug nipples 24 assigned to the supply lines 20 are inserted into the openings or bores 30 from the underside of the carrier plate 18 until their stops 26 abut on the lower side of the plate, in order to connect the supply lines 20 with the steam lines 16 ending on the upper side of the plate (inside the steam blow box ) to couple (see in particular Figures 3 to 5).
  • the supply lines 20 are finally fixed on the carrier plate 18 by means of fixing strips 32 which interact with the stops 26 (cf. in particular FIGS. 3 to 10).
  • these fixing strips 32 are moved parallel to the carrier plate 18 behind the stops 26, as a result of which they are held by the fixing strips 32 on the underside of the carrier plate 18.
  • the fixing strips 32 are tapered at their front end 44 in the direction of displacement in order to create a run-up slope which interacts with the stops 26, through which the plug-in nipples 24, if necessary completely, ie in particular until their stops come into contact 26 on the underside of the plate, into which openings or bores 30 of the carrier plate 18 are inserted.
  • the supply lines 20 comprise flexible hoses which are at least partially provided with a solid braiding.
  • the flexible hoses have no such braiding in the area of at least one of their two ends.
  • the openings or bores 30 of the carrier plate 18 are fitted in rows, starting with the row 1 of openings 1 on the right in FIG. 2 and first fitting the first opening 30 of this row, which is at the bottom right in FIG. 2.
  • FIG. 3 shows a schematic side view of the carrier plate in the direction of arrow A in FIG. 2, a first supply line 20 having already been fixed to the carrier plate 18, the plug nipple 24 of which is inserted into the first opening 30 of the first row of openings R 1 of the carrier plate 18.
  • the relevant fixing bar 32 is now shifted to the left just so far according to FIG. 4 that the first supply line 20 is fixed to the carrier plate 18 by this fixing bar 32, but the next, ie the second opening 30 of this row of openings R 1, however, for connecting the second one Supply line 20 remains free.
  • FIG. 5 shows how the second supply line 20 is fixed on the carrier plate 18 by firstly inserting the plug nipple 24 of this supply line 20 into the second opening 30 of the first row of openings R until the relevant stop 26 abuts the underside of the carrier plate 18 1 is inserted. Subsequently, the fixing bar 32 is pushed only so far that the second supply line is indeed 20 is fixed to the carrier plate 18, but the next opening 30 is kept clear in order to be able to connect the third supply line 20.
  • the fixing bar 32 is gradually shifted such that the nipples 24 assigned to the adjacent first row of openings R 1 can be inserted one after the other into successive openings 30 of this row R 1 and can be fixed on the carrier plate 18 by the correspondingly pushed in fixing bar 32.
  • FIG. 6 shows a schematic plan view of the carrier plate 18, which is only indicated by hatching, and the first row of openings R 1 of which is already fully equipped.
  • the relevant fixing strip 32 is fully inserted so that it engages behind the stops 26 of all the plug nipples 24 assigned to this row of openings, as a result of which they are prevented from slipping out of the openings 30.
  • the rear end 34 (see also FIG. 3) of the fixing strip 32, which is bent upwards, lies against the relevant side of the carrier plate 18.
  • the second row of openings R 2 of the carrier plate 18 is then fitted with the plug nipples 24 of the relevant supply lines 20.
  • FIG. 7 shows a schematic plan view of the carrier plate 18, which is only indicated by hatching, the second row of openings R 2 of which is already equipped with three plug nipples 24 assigned to the respective supply lines 20.
  • a second fixing strip 32 was inserted between the first and the second row of openings R 1 and R 2 .
  • This second fixing bar 32 is gradually shifted again so that the nipples 24 assigned to the second row of openings R 2 can be inserted one after the other into successive openings 30 of this row R 2 and can be fixed on the carrier plate 18 by the correspondingly inserted fixing strip 32.
  • FIG. 8 shows a schematic plan view of the carrier plate 18, which is only indicated by hatching, with the fully equipped first and second row of openings R 1 and R 2 . It can also be seen in particular from FIGS. 7 and 8 that the second fixing strip 32 provided between the first and the second row of openings R 1 and R 2 , both with the stops 26 (cf. in particular also FIGS the first row of openings R 1 and also cooperates with the stops 26 of the plug nipples 24 inserted into the second row of openings R 2 in order to fix them on the carrier plate 18.
  • the second fixing strip 32 like the following fixing strips 32, is inserted from the same side of the carrier plate 18 as the first fixing strip 32.
  • the upwardly bent rear end 34 of the second fixing strip 32 which assumes its end position, again lies against the relevant side of the carrier plate 18 (cf. FIG. 8).
  • FIG. 9 shows a schematic plan view of the carrier plate 18, in which all the rows of openings R 1 -R 11 are equipped accordingly and all the plug nipples 24 are secured by fixing strips 32.
  • the eleventh row of openings R 11 has only nine such openings 30 (cf. in particular FIGS. 2 and 9).
  • the last fixing strip 32 provided on the left outside is shorter than the remaining fixing strips 32.
  • FIG. 10 shows a schematic side view of the fully equipped carrier plate 18 in the direction of arrow A of FIG. 9 with fixing strips 32 secured in its end positions.
  • these fixing strips 32 are secured to the carrier plate 18 by means of screws 36 and locking plates 38.
  • a total of 138 flexible supply lines 20 can be connected to the carrier plate 18. They are fixed to the carrier plate 18 by a total of twelve fixing strips 32.
  • the O-rings 28 must be pulled on and greased. Then the plug nipples 24 are inserted into the respective openings 30 until the respective stop 26 abuts directly on the underside of the carrier plate 18.
  • the flexible supply lines 20 can then be laid hanging downward and routed to the rear of the steam distribution station or control valve station 22. In the area between the base of the paper machine and the control valve station, the supply lines 20 are laid as closely as possible.
  • the assembled steam lines 20 can finally be arranged on a support frame or mounting frame.
  • the fixing strips 32 can each be guided through a plurality of guide elements arranged one behind the other in their direction of displacement, such a guide element preferably being provided between successive openings 30 of the carrier plate 18.
  • the guide elements are formed by webs 40 which extend parallel to the direction of displacement of the fixing strips 32 and are parallel to one another and which have guide openings 42 aligned with one another in the direction of displacement of the respective fixing strips 32 (cf. in particular FIGS. 9 and 10).

Landscapes

  • Paper (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Detergent Compositions (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Claims (20)

  1. Caisson de soufflage de vapeur (10) destiné à appliquer de la vapeur sur une bande de matériau qui défile comme notamment une bande de papier ou de carton à assécher qui passe à travers la partie de pressage d'une machine à papier, lequel s'étend transversalement par rapport au sens de défilement de la bande sur toute la largeur de la bande et comprend une pluralité de chambres de zone (12) disposées en ligne les unes à côté des autres sur la largeur de la bande et qui sont raccordées à une source de vapeur par le biais de vannes de régulation (14) séparées, chaque chambre de zone (12) étant ici reliée à une conduite de vapeur (16) et les conduites de vapeur (16) étant acheminées vers au moins une plaque support (18) où elles sont à chaque fois raccordées à une conduite d'alimentation (20) raccordée à la source de vapeur, caractérisé en ce que l'extrémité des conduites d'alimentation (20) qui est raccordée aux conduites de vapeur (16) est à chaque fois munie d'un mamelon enfichable (24) présentant une butée (26) et la plaque support (18) présente des orifices (30) dans lesquels les mamelons enfichables (24) peuvent être insérés d'un côté de la plaque support (18) jusqu'à ce que leurs butées (26) reposent sur le côté correspondant de la plaque afin d'accoupler les conduites d'alimentation (20) avec les conduites de vapeur (16) qui aboutissent de l'autre côté de la plaque, et que les conduites d'alimentation (20) sont fixées à la plaque support (18) par au moins une barre de fixation (32) qui agit conjointement avec les butées (26) et qui peut coulisser parallèlement à la plaque support (18) derrière les butées (26) de manière à ce que celles-ci soient maintenues par la barre de fixation (32) du côté concerné de la plaque.
  2. Caisson de soufflage de vapeur selon la revendication 1, caractérisé en ce que la barre de fixation (32) est amincie en son extrémité avant dans le sens du coulissement.
  3. Caisson de soufflage de vapeur selon la revendication 1 ou 2, caractérisé en ce qu'au moins une partie des orifices (30) prévus dans la plaque support (18) est disposée en au moins une rangée (Ri) et que les mamelons enfichables (24) insérés dans cette rangée d'orifices (Ri) sont fixés à la plaque support (18) par au moins une barre de fixation (32) qui peut coulisser latéralement le long de cette rangée d'orifices (Ri).
  4. Caisson de soufflage de vapeur selon la revendication 3, caractérisé en ce que la barre de fixation (32) peut coulisser progressivement de telle manière que les mamelons enfichables (24) associés à une rangée d'orifices (Ri) voisine peuvent être insérés l'un après l'autre dans les orifices (30) consécutifs de cette rangée (Ri) et peuvent être fixés à la plaque support (18) à l'aide de la barre de fixation (32) correspondante qui coulisse à la suite.
  5. Caisson de soufflage de vapeur selon l'une des revendications précédentes, caractérisé en ce que les orifices (30) prévus dans la plaque support (18) sont disposés en plusieurs rangées (R1 - R11) parallèles les unes aux autres et que les mamelons enfichables (24) insérés dans ces rangées d'orifices (R1 - R11) sont fixés à la plaque support (18) par des barres de fixation (32) qui peuvent coulisser latéralement le long de ces rangées d'orifices (R1 - R11).
  6. Caisson de soufflage de vapeur selon la revendication 5, caractérisé en ce que les barres de fixation (32) prévues entre des rangées d'orifices voisines (Ri) agissent conjointement à la fois avec les butées (26) des mamelons enfichables (24) insérés dans la rangée d'orifices (R1) et les butées (26) des mamelons enfichables (24) insérés dans l'autre rangée d'orifices (Ri) afin de fixer les mamelons enfichables (24) correspondants à la plaque support (18).
  7. Caisson de soufflage de vapeur selon la revendication 5 ou 6, caractérisé en ce qu'au moins une barre de fixation (32) pouvant coulisser parallèlement aux rangées d'orifices (Ri) est à chaque fois prévue aussi bien entre les rangées d'orifices (Ri) voisines que latéralement à l'extérieur au niveau des deux rangées d'orifices extrêmes (R1, R11).
  8. Caisson de soufflage de vapeur selon l'une des revendications précédentes, caractérisé en ce que les barres de fixation (32) peuvent coulisser dans une position de fixation correspondante depuis le même côté de la plaque support (18).
  9. Caisson de soufflage de vapeur selon l'une des revendications 1 à 7, caractérisé en ce que les barres de fixation (32) peuvent coulisser dans une position de fixation correspondante depuis les côtés opposés de la plaque support (18).
  10. Caisson de soufflage de vapeur selon l'une des revendications précédentes, caractérisé en ce que les barres de fixation (32) sont guidées sur la plaque support (18).
  11. Caisson de soufflage de vapeur selon la revendication 10, caractérisé en ce que les barres de fixation (32) sont à chaque fois guidées par plusieurs éléments de guidage disposés les uns derrière les autres dans le sens de leur coulissement, un tel élément de guidage étant de préférence prévu à chaque fois entre des orifices (30) successifs.
  12. Caisson de soufflage de vapeur selon la revendication 11, caractérisé en ce que les éléments de guidage sont constitués de montants (40) parallèles les uns aux autres qui s'étendent perpendiculairement au sens de coulissement des barres de fixation (32) et qui présentent des orifices de guidage (42) orientés entre eux dans le sens du coulissement des barres de fixation (32) correspondantes.
  13. Caisson de soufflage de vapeur selon l'une des revendications précédentes, caractérisé en ce que les butées (26) des mamelons enfichables (24) sont à chaque fois réalisées en forme d'anneau.
  14. Caisson de soufflage de vapeur selon l'une des revendications précédentes, caractérisé en ce que chaque mamelon enfichable (24) est équipé d'au moins un joint torique (28).
  15. Caisson de soufflage de vapeur selon l'une des revendications précédentes, caractérisé en ce que la plaque support (18) s'étend dans la zone à l'extérieur de la machine à papier concernée depuis une extrémité du caisson de soufflage de vapeur (10).
  16. Caisson de soufflage de vapeur selon l'une des revendications précédentes, caractérisé en ce que la plaque support (18) est au moins pour l'essentiel dirigée dans le sens horizontal et les mamelons enfichables (24) sont insérés dans les orifices (30) depuis le dessous de la plaque support (18).
  17. Caisson de soufflage de vapeur selon l'une des revendications précédentes, caractérisé en ce que les conduites d'alimentation (20) comprennent des tuyaux souples.
  18. Caisson de soufflage de vapeur selon la revendication 17, caractérisé en ce que les tuyaux souples sont au moins partiellement équipés d'un tressage rigide.
  19. Caisson de soufflage de vapeur selon l'une des revendications précédentes, caractérisé en ce que les extrémités des conduites d'alimentation (20) qui sont à l'opposé de la plaque support (18) sont reliées à une station de distribution de vapeur (22) qui présente les vannes de régulation (14).
  20. Caisson de soufflage de vapeur selon l'une des revendications précédentes, caractérisé en ce que les barres de fixation (32) sont bloquées sur la plaque support (18) dans leurs positions finales par des vis (36) et des tôles de blocage (38) et/ou similaires.
EP99106396A 1998-05-26 1999-03-27 Distributeur de vapeur Expired - Lifetime EP0960976B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29809466U DE29809466U1 (de) 1998-05-26 1998-05-26 Dampfblaskasten
DE29809466U 1998-05-26

Publications (2)

Publication Number Publication Date
EP0960976A1 EP0960976A1 (fr) 1999-12-01
EP0960976B1 true EP0960976B1 (fr) 2003-01-29

Family

ID=34812989

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99106396A Expired - Lifetime EP0960976B1 (fr) 1998-05-26 1999-03-27 Distributeur de vapeur

Country Status (3)

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US (1) US6178661B1 (fr)
EP (1) EP0960976B1 (fr)
DE (2) DE29809466U1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29809466U1 (de) * 1998-05-26 1998-08-06 Voith Sulzer Papiertechnik Patent GmbH, 89522 Heidenheim Dampfblaskasten
FI107065B (fi) * 1999-10-21 2001-05-31 Metso Paper Automation Oy Paperikoneen höyrylaatikko
DE102020110544A1 (de) * 2020-04-17 2021-10-21 Voith Patent Gmbh Dampfblaskasten mit Dampfkonditionierung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4402278C2 (de) 1994-01-18 1999-11-11 J M Voith Gmbh & Co Beteiligun Vorrichtung zum Aufbringen von Dampf
DE4401220C1 (de) 1994-01-18 1995-06-29 Voith Gmbh J M Dampfblaskasten
WO1996022420A1 (fr) * 1995-01-19 1996-07-25 Voith Sulzer Papiermaschinen Gmbh Dispositif pour appliquer de la vapeur
US5749158A (en) 1995-01-19 1998-05-12 Voith Sulzer Papiermaschinen Gmbh Apparatus for the application of steam onto a paper web
DE29809466U1 (de) * 1998-05-26 1998-08-06 Voith Sulzer Papiertechnik Patent GmbH, 89522 Heidenheim Dampfblaskasten

Also Published As

Publication number Publication date
US6178661B1 (en) 2001-01-30
EP0960976A1 (fr) 1999-12-01
DE29809466U1 (de) 1998-08-06
DE59904132D1 (de) 2003-03-06

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