ES486685A1 - Centrifugador hueco para el fibrado de materias termoplasti-cas,principalmente de vidrio - Google Patents

Centrifugador hueco para el fibrado de materias termoplasti-cas,principalmente de vidrio

Info

Publication number
ES486685A1
ES486685A1 ES486685A ES486685A ES486685A1 ES 486685 A1 ES486685 A1 ES 486685A1 ES 486685 A ES486685 A ES 486685A ES 486685 A ES486685 A ES 486685A ES 486685 A1 ES486685 A1 ES 486685A1
Authority
ES
Spain
Prior art keywords
glass
fiberization
attenuating blast
spinner
centrifugal feed
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
Application number
ES486685A
Other languages
English (en)
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.)
Saint Gobain Industries SA
Compagnie de Saint Gobain SA
Original Assignee
Saint Gobain Industries SA
Compagnie de Saint Gobain SA
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
Priority claimed from FR7834616A external-priority patent/FR2443436B1/fr
Application filed by Saint Gobain Industries SA, Compagnie de Saint Gobain SA filed Critical Saint Gobain Industries SA
Publication of ES486685A1 publication Critical patent/ES486685A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/04—Manufacture of glass fibres or filaments by using centrifugal force, e.g. spinning through radial orifices; Construction of the spinner cups therefor
    • C03B37/047—Selection of materials for the spinner cups
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/04—Manufacture of glass fibres or filaments by using centrifugal force, e.g. spinning through radial orifices; Construction of the spinner cups therefor
    • C03B37/045—Construction of the spinner cups
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/053—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 30% but less than 40%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Centrifugal Separators (AREA)
  • Moulding By Coating Moulds (AREA)
  • Artificial Filaments (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)

Abstract

Centrifugador hueco para el fibrado de materias termoplásticas, principalmente de vidrio, caracterizado porque posee una pared periférica que está provista de orificios y cuyo espesor aumenta en dirección de su borde inferior.
ES486685A 1978-12-08 1979-12-07 Centrifugador hueco para el fibrado de materias termoplasti-cas,principalmente de vidrio Expired ES486685A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7834616A FR2443436B1 (fr) 1978-12-08 1978-12-08 Procede de fibrage du verre, dispositif de mise en oeuvre et produits fibres

Publications (1)

Publication Number Publication Date
ES486685A1 true ES486685A1 (es) 1980-05-16

Family

ID=9215851

Family Applications (3)

Application Number Title Priority Date Filing Date
ES486686A Granted ES486686A0 (es) 1978-12-08 1979-12-07 Procedimiento y centrifugador para la obtencion de varios susceptibles de ser transformados en fibras.
ES486684A Expired ES486684A1 (es) 1978-12-08 1979-12-07 Procedimiento de fibraje del vidrio y dispositivo para su realizacion
ES486685A Expired ES486685A1 (es) 1978-12-08 1979-12-07 Centrifugador hueco para el fibrado de materias termoplasti-cas,principalmente de vidrio

Family Applications Before (2)

Application Number Title Priority Date Filing Date
ES486686A Granted ES486686A0 (es) 1978-12-08 1979-12-07 Procedimiento y centrifugador para la obtencion de varios susceptibles de ser transformados en fibras.
ES486684A Expired ES486684A1 (es) 1978-12-08 1979-12-07 Procedimiento de fibraje del vidrio y dispositivo para su realizacion

Country Status (40)

Country Link
US (8) US4203746A (es)
JP (5) JPS55113646A (es)
AR (3) AR218794A1 (es)
AT (3) AT379127B (es)
AU (3) AU534642B2 (es)
BE (1) BE880485A (es)
BG (3) BG41656A3 (es)
BR (3) BR7908004A (es)
CA (7) CA1129204A (es)
CH (3) CH643219A5 (es)
CS (3) CS231953B2 (es)
DD (1) DD147661A5 (es)
DE (4) DE2911510A1 (es)
DK (3) DK158578C (es)
EG (1) EG14575A (es)
ES (3) ES486686A0 (es)
FI (3) FI69447C (es)
GB (3) GB2045228B (es)
GR (1) GR70737B (es)
HU (1) HU178731B (es)
IE (3) IE49317B1 (es)
IL (1) IL58899A0 (es)
IN (1) IN152701B (es)
IT (1) IT1126486B (es)
LU (1) LU81962A1 (es)
MA (1) MA18668A1 (es)
MX (3) MX153436A (es)
NL (3) NL7908864A (es)
NO (4) NO152334C (es)
NZ (3) NZ192341A (es)
PH (5) PH16113A (es)
PL (1) PL123563B1 (es)
PT (1) PT70557A (es)
RO (1) RO79268A (es)
SE (5) SE440346B (es)
SU (1) SU973015A3 (es)
TR (3) TR20714A (es)
UA (1) UA7158A1 (es)
YU (2) YU42494B (es)
ZA (3) ZA796667B (es)

Families Citing this family (72)

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DE2911510A1 (de) * 1978-12-08 1980-06-19 Saint Gobain Verfahren, vorrichtung und glaeser zum herstellen von glasfasern und damit hergestellte glasfasern
US4387180A (en) * 1980-12-08 1983-06-07 Owens-Corning Fiberglas Corporation Glass compositions
US4337073A (en) * 1980-12-30 1982-06-29 Ppg Industries, Inc. Rotary forehearth
DE3272247D1 (en) * 1981-04-08 1986-09-04 Johnson Matthey Plc Nickel alloys containing large amounts of chromium
US4367083A (en) * 1981-11-06 1983-01-04 Owens-Corning Fiberglas Corporation Nickel-base spinner alloy
US4506009A (en) * 1982-03-30 1985-03-19 University Of California Heterogeneous immunoassay method
US4396722A (en) * 1982-04-05 1983-08-02 Owens-Corning Fiberglas Corporation Wool glass composition
US4759974A (en) * 1982-04-06 1988-07-26 Isover Saint-Gobain Glass fiberization
US4451276A (en) * 1982-08-18 1984-05-29 Barthe Marie Pierre Method and apparatus for glass fiberization
US4759785A (en) * 1982-04-06 1988-07-26 Isover Saint-Gobain Glass fiberization method
US4756732A (en) * 1982-04-06 1988-07-12 Isover Saint-Gobain Glass fiberization method
FR2529878A1 (fr) * 1982-07-12 1984-01-13 Saint Gobain Isover Perfectionnements aux techniques de formation de fibres comprenant une centrifugation
NZ203668A (en) * 1982-04-06 1986-07-11 Saint Gobain Isover Producing attenuable fibres using centrifuge:peripheral speed of centrifuge at orifices is at least 50 metres/sec.
JPS59223246A (ja) * 1983-05-31 1984-12-15 Toyo Ganmen Kogyo Kk 中空筒状回転体を用いるガラスの繊維化装置
FR2552075B1 (fr) * 1983-09-19 1986-08-14 Saint Gobain Isover Fibres de verre et composition convenant pour leur fabrication
US4708848A (en) * 1986-02-18 1987-11-24 Glass Incorporated International Nickel/chrome base superalloys
US4689061A (en) * 1986-05-20 1987-08-25 Owens-Corning Fiberglas Corporation Method and apparatus for producing fine fibers
US4767431A (en) * 1987-02-26 1988-08-30 Glass Incorporated International Production of micro glass fibers
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US5071796A (en) * 1989-08-14 1991-12-10 Ppg Industries, Inc. Flat glass composition with improved melting and tempering properties
US4948409A (en) * 1989-08-18 1990-08-14 Guardian Industries Corp. Multiple segment spinner
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FR2675818B1 (fr) * 1991-04-25 1993-07-16 Saint Gobain Isover Alliage pour centrifugeur de fibres de verre.
GB9111401D0 (en) * 1991-05-25 1991-07-17 Pilkington Insulation Ltd Glass composition and use
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US5314521A (en) * 1992-06-29 1994-05-24 Glass Incorporated International Method and apparatus for production of glass fibers utilizing spinning cup structure
JPH07503696A (ja) * 1992-08-20 1995-04-20 イソベール・サン−ゴバン ミネラルウールの製造方法及びこれによって製造されるミネラルウール
US6017835A (en) * 1993-11-05 2000-01-25 Owens Corning Fiberglas Technology, Inc. Glass compositions for producing dual-glass fibers
JP3368953B2 (ja) * 1993-11-12 2003-01-20 旭硝子株式会社 紫外線吸収着色ガラス
DE9422034U1 (de) 1994-05-28 1997-10-02 Grünzweig + Hartmann AG, 67059 Ludwigshafen Glasfaserzusammensetzungen
DE4418727A1 (de) * 1994-05-28 1996-02-22 Gruenzweig & Hartmann Glasfaserzusammensetzungen
DE4418728A1 (de) * 1994-05-28 1996-01-11 Gruenzweig & Hartmann Glasfaserzusammensetzungen
DE4421120A1 (de) * 1994-06-19 1995-12-21 Gruenzweig & Hartmann Mineralfaserzusammensetzungen
US5482527A (en) * 1994-09-20 1996-01-09 Owens-Corning Fiberglas Technology, Inc. Spinner apparatus for producing dual component fibers
US5514199A (en) * 1994-09-20 1996-05-07 Owens-Corning Fiberglas Technology, Inc. Spinner for producing dual component fibers
US5980680A (en) * 1994-09-21 1999-11-09 Owens Corning Fiberglas Technology, Inc. Method of forming an insulation product
US5885390A (en) * 1994-09-21 1999-03-23 Owens-Corning Fiberglas Technology Inc. Processing methods and products for irregularly shaped bicomponent glass fibers
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US5591459A (en) * 1995-02-28 1997-01-07 Owens Corning Fiberglas Technology, Inc. Apparatus for reinforcing a fiber producing spinner
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US5523265A (en) * 1995-05-04 1996-06-04 Owens-Corning Fiberglas Technology, Inc. Glass compositions and fibers therefrom
WO1997039990A1 (en) 1996-04-24 1997-10-30 Owens Corning Glass compositions having high ki values and fibers therefrom
US5743157A (en) * 1996-07-31 1998-04-28 Owens-Corning Fiberglas Technology, Inc. Method for making a strengthened spinner having integrally formed ribs
US5856194A (en) 1996-09-19 1999-01-05 Abbott Laboratories Method for determination of item of interest in a sample
US5779760A (en) 1996-09-30 1998-07-14 Owens Corning Fiberglas Technology, Inc. Fiber manufacturing spinner
US5914439A (en) * 1997-05-08 1999-06-22 Owens Corning Fiberglas Technology, Inc. Diffusion barrier for bores of glass fiber spinners providing high corrosion and oxidative resistance at high temperatures
US6034014A (en) 1997-08-04 2000-03-07 Owens Corning Fiberglas Technology, Inc. Glass fiber composition
US6141992A (en) * 1998-12-24 2000-11-07 Johns Manville International, Inc. Rotary fiberizer having two cooling jackets and an air ring
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CN101811824B (zh) * 2010-05-11 2012-01-25 太仓宏大方圆电气有限公司 一种超细玻璃棉的生产方法
FR2985254B1 (fr) * 2011-12-28 2013-12-20 Saint Gobain Isover Procede de fibrage de matieres vitrifiables
US20130260980A1 (en) * 2012-03-30 2013-10-03 Robert D. Touslee Systems and methods for forming glass materials
CN102786225A (zh) * 2012-08-28 2012-11-21 泰山玻璃纤维有限公司 一种低硼无氟玻璃纤维组合物
US9487149B2 (en) 2013-02-12 2016-11-08 Kubota Corporation Work vehicle
FR3057567B1 (fr) 2016-10-14 2022-04-01 Saint Gobain Isover Procede de formation de fibres minerales
US11261506B2 (en) 2017-02-28 2022-03-01 Saint-Gobain Seva Alloy for a fibre-forming plate
FR3068963B1 (fr) * 2017-07-11 2020-04-24 Saint-Gobain Isover Assiette de fibrage
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FR3123647B1 (fr) * 2021-06-07 2023-05-19 Saint Gobain Isover Procédé de contrôle d’un dispositif de fibrage
US20230303430A1 (en) * 2022-03-22 2023-09-28 Owens Corning Intellectual Capital, Llc Fiberglass composition including reduced oxidizing agent
JPWO2023190982A1 (es) * 2022-03-30 2023-10-05
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Also Published As

Publication number Publication date
AT379126B (de) 1985-11-25
DK158578C (da) 1990-11-05
FI793834A7 (fi) 1980-06-09
DK158578B (da) 1990-06-11
FI65983B (fi) 1984-04-30
TR20780A (tr) 1982-07-09
NO152694C (no) 1985-11-06
US4203748A (en) 1980-05-20
NO793996L (no) 1980-06-10
FI793832A7 (fi) 1980-06-09
GB2041911B (en) 1983-01-26
MX154046A (es) 1987-04-10
CA1136418A (en) 1982-11-30
YU199582A (en) 1983-01-21
NO145005C (no) 1981-12-28
JPS55113646A (en) 1980-09-02
IN152701B (es) 1984-03-17
AU5364779A (en) 1980-06-12
CH634027A5 (fr) 1983-01-14
SE7910078L (sv) 1980-08-15
US4203774A (en) 1980-05-20
IE792380L (en) 1980-06-08
NL181102C (nl) 1987-06-16
IE48921B1 (en) 1985-06-12
BR7908005A (pt) 1980-07-22
AU534642B2 (en) 1984-02-09
AR218794A1 (es) 1980-06-30
NL7908866A (nl) 1980-06-10
NZ192342A (en) 1983-05-10
PH16383A (en) 1983-09-16
TR20714A (tr) 1982-05-20
IT1126486B (it) 1986-05-21
HU178731B (en) 1982-06-28
US4288237A (en) 1981-09-08
BE880485A (fr) 1980-06-06
RO79268A (ro) 1982-06-25
AT379127B (de) 1985-11-25
NL7908864A (nl) 1980-06-10
CA1129203A (en) 1982-08-10
IL58899A0 (en) 1980-03-31
GB2041910B (en) 1983-02-02
SE8304043D0 (sv) 1983-07-19
GB2045228A (en) 1980-10-29
GR70737B (es) 1983-02-04
PH14543A (en) 1981-09-24
IT7927876A0 (it) 1979-12-07
ES8100790A1 (es) 1980-12-16
FI69447B (fi) 1985-10-31
JPS55113638A (en) 1980-09-02
MA18668A1 (fr) 1980-07-01
NZ192341A (en) 1983-05-10
PH14680A (en) 1981-11-10
CA1129202A (en) 1982-08-10
JPS635336B2 (es) 1988-02-03
ZA796667B (en) 1980-12-31
NO152334C (no) 1985-09-11
AR219020A1 (es) 1980-07-15
PT70557A (fr) 1980-01-01
DE2954455A1 (es) 1985-07-04
SE8304044D0 (sv) 1983-07-19
JPS55113637A (en) 1980-09-02
US4203747A (en) 1980-05-20
PH16113A (en) 1983-06-30
NO793994L (no) 1980-06-10
IE48920B1 (en) 1985-06-12
ATA779179A (de) 1985-04-15
AU5364979A (en) 1982-01-28
NL7908865A (nl) 1980-06-10
ZA796666B (en) 1980-12-31
CA1152329A (en) 1983-08-23
DK154496C (da) 1989-06-12
JPS635337B2 (es) 1988-02-03
NO834569L (no) 1980-06-10
SE8304044L (sv) 1983-07-19
CA1136165A (en) 1982-11-23
LU81962A1 (fr) 1980-07-01
SE438671B (sv) 1985-04-29
AU534657B2 (en) 1984-02-09
AU536496B2 (en) 1984-05-10
NO145005B (no) 1981-09-14
UA7158A1 (uk) 1995-06-30
DE2954306C2 (es) 1987-10-29
SE441670B (sv) 1985-10-28
CA1129204A (en) 1982-08-10
DD147661A5 (de) 1981-04-15
NO152335C (no) 1985-09-11
ATA779279A (de) 1984-10-15
BG41654A3 (bg) 1987-07-15
DE2911510A1 (de) 1980-06-19
DK522779A (da) 1980-06-09
US4203745A (en) 1980-05-20
SE7910076L (sv) 1980-08-15
YU297579A (en) 1983-01-21
FI65983C (fi) 1984-08-10
CS218590B2 (en) 1983-02-25
YU42494B (en) 1988-10-31
MX155111A (es) 1988-01-28
ATA779379A (de) 1985-04-15
IE792379L (en) 1980-06-08
JPS61141638A (ja) 1986-06-28
ZA796665B (en) 1981-05-27
DK522879A (da) 1980-06-09
JPS61141637A (ja) 1986-06-28
DK522679A (da) 1980-06-09
NL181102B (nl) 1987-01-16
IE792378L (en) 1980-06-08
DK158383B (da) 1990-05-14
FI793833A7 (fi) 1980-06-09
GB2041911A (en) 1980-09-17
BR7908003A (pt) 1980-07-22
NZ192343A (en) 1983-06-14
PH14461A (en) 1981-07-29
GB2041910A (en) 1980-09-17
NO152694B (no) 1985-07-29
GB2045228B (en) 1983-03-30
BG41655A3 (bg) 1987-07-15
CH633763A5 (fr) 1982-12-31
ES486686A0 (es) 1980-12-16
NO152334B (no) 1985-06-03
CS231953B2 (en) 1985-01-16
SE440346B (sv) 1985-07-29
DK154496B (da) 1988-11-21
TR20552A (tr) 1981-11-05
JPS6242869B2 (es) 1987-09-10
FI64933C (fi) 1984-02-10
SE437371B (sv) 1985-02-25
NO152335B (no) 1985-06-03
JPS6220142B2 (es) 1987-05-06
DE2954307C2 (de) 1986-08-28
FI69447C (fi) 1986-02-10
NO793995L (no) 1980-06-10
US4288236A (en) 1981-09-08
SE447473B (sv) 1986-11-17
IE49317B1 (en) 1985-09-18
SU973015A3 (ru) 1982-11-07
EG14575A (en) 1984-06-30
AU5364879A (en) 1980-06-12
CA1128757A (en) 1982-08-03
AT377967B (de) 1985-05-28
ES486684A1 (es) 1980-05-16
JPS6220141B2 (es) 1987-05-06
SE8304043L (sv) 1983-07-19
US4203746A (en) 1980-05-20
SE7910077L (sv) 1980-08-15
US4289518A (en) 1981-09-15
AR218178A1 (es) 1980-05-15
FI64933B (fi) 1983-10-31
DE2911510C2 (es) 1987-10-22
CS235504B2 (en) 1985-05-15
PL123563B1 (en) 1982-10-30
YU43524B (en) 1989-08-31
PL220225A1 (es) 1980-09-08
BR7908004A (pt) 1980-07-22
CH643219A5 (fr) 1984-05-30
DK158383C (da) 1990-10-22
BG41656A3 (bg) 1987-07-15
MX153436A (es) 1986-10-09

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