JPH031476Y2 - - Google Patents

Info

Publication number
JPH031476Y2
JPH031476Y2 JP1986080338U JP8033886U JPH031476Y2 JP H031476 Y2 JPH031476 Y2 JP H031476Y2 JP 1986080338 U JP1986080338 U JP 1986080338U JP 8033886 U JP8033886 U JP 8033886U JP H031476 Y2 JPH031476 Y2 JP H031476Y2
Authority
JP
Japan
Prior art keywords
zone
steel strip
furnace
heating means
slow cooling
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
JP1986080338U
Other languages
Japanese (ja)
Other versions
JPS62191860U (en
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 filed Critical
Priority to JP1986080338U priority Critical patent/JPH031476Y2/ja
Priority to KR1019870005157A priority patent/KR910003537B1/en
Priority to DE19873717537 priority patent/DE3717537A1/en
Priority to FR878707392A priority patent/FR2599483B1/en
Publication of JPS62191860U publication Critical patent/JPS62191860U/ja
Application granted granted Critical
Publication of JPH031476Y2 publication Critical patent/JPH031476Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/561—Continuous furnaces for strip or wire with a controlled atmosphere or vacuum
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/573—Continuous furnaces for strip or wire with cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/28—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity for treating continuous lengths of work
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
    • F27B2009/124—Cooling
    • F27B2009/126—Cooling involving the circulation of cooling gases, e.g. air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B9/3005—Details, accessories or equipment specially adapted for furnaces of these types arrangements for circulating gases
    • F27B9/3011—Details, accessories or equipment specially adapted for furnaces of these types arrangements for circulating gases arrangements for circulating gases transversally
    • F27B2009/3022—Details, accessories or equipment specially adapted for furnaces of these types arrangements for circulating gases arrangements for circulating gases transversally with arrangements to maintain oxidising reducing or neutral zones
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/06—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
    • F27B9/062—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated electrically heated
    • F27B9/063—Resistor heating, e.g. with resistors also emitting IR rays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
    • F27M2001/00—Composition, conformation or state of the charge
    • F27M2001/15—Composition, conformation or state of the charge characterised by the form of the articles
    • F27M2001/1539—Metallic articles
    • F27M2001/156—Flat articles
    • F27M2001/1565—Sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Description

【考案の詳細な説明】 （産業上の利用分野） 本考案は、鋼帯連続焼鈍炉の徐冷帯、詳しく
は、強還元帯としても使用することのできる徐冷
帯に関するものである。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an annealing zone for a continuous steel strip annealing furnace, and more specifically, to an annealing zone that can also be used as a strong reduction zone.

（従来の技術とその問題点） 従来、鋼帯連続焼鈍炉にて、鋼帯を処理する場
合、鋼帯の材質によつては、鋼帯を徐冷帯あるい
は強還元帯を通過させる必要がある。(Conventional technology and its problems) Conventionally, when processing steel strip in a continuous steel strip annealing furnace, depending on the material of the steel strip, it is necessary to pass the steel strip through an annealing zone or a strong reduction zone. be.

しかしながら、従来の鋼帯連続焼鈍炉において
は、いずれかの帯域しか有さず、特に、材質がが
多岐にわたる昨今においては不満足な設備であ
る。 However, the conventional continuous steel strip annealing furnace has only one zone, and is an unsatisfactory facility, especially in these days when materials are widely used.

これを解消するためには、両帯域を連続して設
けることが考えられるが、一方の帯域を使用する
場合には、他方を使用せず、いわゆる過剰設備に
なるという問題点を有する。 In order to solve this problem, it is conceivable to provide both bands consecutively, but when one band is used, the other band is not used, resulting in a problem of so-called excessive equipment.

本考案は、切り替え操作によつて強還元帯とす
ることによつて安価にして、種々の鋼帯の熱処理
に対処することのできる鋼帯連続焼鈍炉の徐冷帯
を提供することを目的とする。 The purpose of the present invention is to provide an annealing zone for a continuous steel strip annealing furnace that can be made into a strong reduction zone through a switching operation, thereby making it inexpensive and capable of handling the heat treatment of various steel strips. do.

（問題点を解決すべき手段） 本考案は、前記的を達成するために、鋼帯連続
焼鈍炉の徐冷帯において、炉内循環フアンと、間
接加熱手段と、該帯域の雰囲気を循環させる循環
ダクトと、この循環ダクトに冷却器および開閉ダ
ンパとを備え、鋼帯の強還元処理時には、前記ダ
ンパを閉、間接加熱手段をONとして、当該帯域
内の還元性雰囲気を昇温させて還元処理する一
方、鋼帯の冷却時には、前記ダンパを開、間接加
熱手段をOFFとして、前記帯域内の雰囲気を冷
却して鋼帯の冷却処理を行うようにしたものであ
る。(Means to Solve the Problems) In order to achieve the above-mentioned objective, the present invention provides an in-furnace circulation fan, indirect heating means, and circulation of the atmosphere in the slow cooling zone of a continuous steel strip annealing furnace. The circulation duct is equipped with a cooler and an opening/closing damper, and during strong reduction treatment of the steel strip, the damper is closed and the indirect heating means is turned on to raise the temperature of the reducing atmosphere in the zone and reduce the temperature. On the other hand, when cooling the steel strip, the damper is opened and the indirect heating means is turned off to cool the atmosphere in the zone and perform the cooling treatment of the steel strip.

（実施例） つぎに、本考案を一実施例である図面にしたが
つて説明する。(Example) Next, the present invention will be explained with reference to the drawings which are one example.

図においては、２は本考案にかかる徐冷帯を示
し、この徐冷帯２は加熱帯（還元帯）１に連通し
ている。 In the figure, reference numeral 2 indicates a slow cooling zone according to the present invention, and this slow cooling zone 2 is connected to a heating zone (reduction zone) 1.

そして、徐冷帯２の天井部と側部とには、循環
ダクト３が設けられるとともに、この循環ダクト
３には、ガスクーラである冷却器４とクーリング
フアンでる循環フアン５とが設けられている。 A circulation duct 3 is provided on the ceiling and side portions of the slow cooling zone 2, and this circulation duct 3 is provided with a cooler 4, which is a gas cooler, and a circulation fan 5, which is a cooling fan. .

なお、６ａ，６ｂは開閉ダンパである。 Note that 6a and 6b are opening/closing dampers.

また、帯域内には、鋼帯Ｓをはさんで、吹付ノ
ズル９を有するノズルヘツダ８が設けられ、この
ノズルヘツダ８には炉内循環フアン１０により雰
囲気が供給されるようになつている。さらに、炉
底部には、電熱ヒータ等からなる間接加熱手段１
１が設けてある。１２はハースローラである。 Further, within the zone, a nozzle header 8 having a spray nozzle 9 is provided with the steel strip S sandwiched therebetween, and an atmosphere is supplied to the nozzle header 8 by an in-furnace circulation fan 10. Further, at the bottom of the furnace, indirect heating means 1 consisting of an electric heater etc.
1 is provided. 12 is a hearth roller.

つぎに、前記構成からなる徐冷帯２の使用方法
を説明する。 Next, a method of using the slow cooling zone 2 having the above configuration will be explained.

まず、本来の徐冷帯として使用する場合には、
前記ダンパ６ａ，６ｂを開、循環フアン５および
炉内循環フアン１０を運転するとともに、、電熱
ヒータ１１をOFFとする。 First, when using it as an original slow cooling zone,
The dampers 6a and 6b are opened, the circulation fan 5 and the furnace circulation fan 10 are operated, and the electric heater 11 is turned off.

すなわち、前記操作を行うことにより、徐冷帯
２の雰囲気は、冷却器４により所定温度に冷却さ
れ、実線矢印のごとく流れ、加熱帯１から鋼帯Ｓ
を徐冷することになる。 That is, by performing the above operation, the atmosphere in the slow cooling zone 2 is cooled to a predetermined temperature by the cooler 4, and flows as shown by the solid arrow, from the heating zone 1 to the steel strip S.
will be slowly cooled.

一方、前記徐冷帯を強還元帯とするには、前記
ダンパ６ａ，６ｂを閉、循環フアン５をOFF、
炉内循環フアン１０を運転するとともに、電熱ヒ
ータ１１をONとする。 On the other hand, in order to make the gradual cooling zone a strong reduction zone, the dampers 6a and 6b are closed, the circulation fan 5 is turned off,
The furnace circulation fan 10 is operated and the electric heater 11 is turned on.

すなわち、加熱帯１から流入した還元性雰囲気
は、電熱ヒータ１１で昇温して活性化され、一点
鎖線で示すように、鋼帯Ｓに吹き付けられ、鋼帯
Ｓを還元する。なお、場合によつては、徐冷帯２
に、別途還元性雰囲気を供給してもよい。 That is, the reducing atmosphere flowing in from the heating zone 1 is heated and activated by the electric heater 11, and is blown onto the steel strip S to reduce the steel strip S, as shown by the dashed line. In some cases, slow cooling zone 2
In addition, a reducing atmosphere may be separately supplied.

また、前記ノズルヘツダ８は必ずしも必要でな
く、さらに、開閉ダンパ６ａ，６ｂもいずれか一
方でもよい。 Further, the nozzle header 8 is not necessarily required, and either one of the opening/closing dampers 6a and 6b may be used.

第２図、第３図は、別の鋼帯連続焼鈍炉の徐冷
帯の例を示し、第１の実施例から循環フアンを除
いた場合について示している。徐冷帯２内を仕切
壁１３ａ，１３ｂにより区画し、該徐冷帯２内に
循環路１４ａ，フアン室１４ｂ，室１５を形成す
る。 FIGS. 2 and 3 show an example of an annealing zone in another continuous steel strip annealing furnace, and show the case where the circulation fan is removed from the first embodiment. The inside of the slow cooling zone 2 is divided by partition walls 13a and 13b, and a circulation path 14a, a fan chamber 14b, and a chamber 15 are formed in the slow cooling zone 2.

循環路１４ａに冷却器４を設け、フアン室１４
ｂに炉内循環フアン１０を設ける。循環路１４ａ
と室１５とを連通する開口１６ａに開閉ダンパ６
ａを設け、循環路１４ａとフアン室１４ｂとを連
通する開口１６ｂには開閉ダンパ６ｂを設け、フ
アン室１４ｂと室１５とを連通する開口１６ｃに
は調節弁１７を設けている。 A cooler 4 is provided in the circulation path 14a, and the fan chamber 14
An in-furnace circulation fan 10 is provided at b. Circulation path 14a
An opening/closing damper 6 is provided in an opening 16a that communicates between the chamber 15 and the chamber 15.
an opening 16b that communicates between the circulation path 14a and the fan chamber 14b is provided with an opening/closing damper 6b, and an opening 16c that communicates the fan chamber 14b and the chamber 15 is provided with a control valve 17.

そして、第２実施例の徐冷帯を本来の徐冷帯と
して使用する場合には、前記開閉ダンパ６ａ，６
ｂを開、冷却器４をON、電熱ヒータ１１を
OFF、炉内循環フアン１０を運転するとともに、
調節弁１７は開とする。 When the slow cooling zone of the second embodiment is used as the original slow cooling zone, the opening/closing dampers 6a, 6
b, turn on the cooler 4, and turn on the electric heater 11.
OFF, while operating the furnace circulation fan 10,
The control valve 17 is open.

一方、前記徐冷帯を還元帯として使用する場合
には、前記開閉ダンパ６ａ，６ｂを閉、調節弁１
７を開、電熱ヒータ１１をON、炉内循環フアン
１０を運転する。これにより、徐冷帯の温度を所
定の温度に制御して鋼帯に吹付け、鋼帯に所定の
処理を行うことができる。 On the other hand, when the slow cooling zone is used as a reduction zone, the opening/closing dampers 6a and 6b are closed and the control valve 1 is closed.
7, the electric heater 11 is turned on, and the furnace circulation fan 10 is operated. Thereby, it is possible to control the temperature of the slow cooling zone to a predetermined temperature and spray onto the steel strip, thereby performing a predetermined treatment on the steel strip.

なお、調節弁１７は必ずしも全開でなくてもよ
い。 Note that the control valve 17 does not necessarily have to be fully open.

（考案の効果） 以上の説明で明らかなように、本考案によれ
ば、徐冷帯に、冷却器、循環フアンと開閉ダンパ
を有する循環ダクトおよび間接加熱手段とを設
け、これらの切り替え操作により、強還元帯を兼
用するため、過剰設備とならず、安価な焼鈍炉と
することができるだかりか、雰囲気温度を変化さ
せることにより、種々の鋼帯に対処でき、かつ、
製品の品質向上を図ることができる等の効果を奏
する。(Effect of the invention) As is clear from the above explanation, according to the invention, the slow cooling zone is provided with a cooler, a circulation duct having a circulation fan and an opening/closing damper, and an indirect heating means, and by switching these , since it also serves as a strong reduction zone, it does not require excessive equipment and can be made into an inexpensive annealing furnace, and by changing the atmospheric temperature, it can be used with various steel strips, and
This has effects such as being able to improve product quality.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、本考案にかかる鋼帯連続焼鈍炉の徐
冷帯の説明用断面図、第２図は本考案の他の実施
例を示す概略断面図、第３図は第２図の−線
断面図である。 ２…徐冷帯、３…循環ダクト、４…冷却器、５
…循環フアン、６ａ，６ｂ…開閉ダンパ、１０…
炉内循環フアン、１１…間接加熱手段、Ｓ…鋼
帯。 FIG. 1 is an explanatory cross-sectional view of an annealing zone of a continuous steel strip annealing furnace according to the present invention, FIG. 2 is a schematic cross-sectional view showing another embodiment of the present invention, and FIG. FIG. 2... Annealing zone, 3... Circulation duct, 4... Cooler, 5
...Circulation fan, 6a, 6b...Opening/closing damper, 10...
Furnace circulation fan, 11... indirect heating means, S... steel strip.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 鋼帯連続焼鈍炉の徐冷帯において、炉内循環フ
アンと、間接加熱手段と、該帯域の雰囲気を循環
させる循環ダクトと、この循環ダクトに冷却器、
および開閉ダンパとを備え、鋼帯の強還元処理時
には、前記ダンパを閉、間接加熱手段をONとし
て、当該帯域内の還元性雰囲気を昇温させて鋼帯
を還元処理する一方、鋼帯の冷却時には、前記ダ
ンパを開、間接加熱手段をOFFとして、前記帯
域内の雰囲気を冷却して鋼帯を冷却するようにし
たことを特徴とする鋼帯連続焼鈍炉の徐冷帯。 In the slow cooling zone of a steel strip continuous annealing furnace, an in-furnace circulation fan, an indirect heating means, a circulation duct for circulating the atmosphere in the zone, a cooler in the circulation duct,
and an open/close damper, and when performing strong reduction treatment on the steel strip, the damper is closed and the indirect heating means is turned on to raise the temperature of the reducing atmosphere in the zone to reduce the steel strip. 1. An annealing zone for a continuous steel strip annealing furnace, characterized in that during cooling, the damper is opened and the indirect heating means is turned off to cool the atmosphere in the zone and cool the steel strip.
JP1986080338U 1986-05-27 1986-05-27 Expired JPH031476Y2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1986080338U JPH031476Y2 (en) 1986-05-27 1986-05-27
KR1019870005157A KR910003537B1 (en) 1986-05-27 1987-05-25 Slow cooling zone provided in a continous steel strip annealing furnace
DE19873717537 DE3717537A1 (en) 1986-05-27 1987-05-25 Slow cooling zone for continuous steel annealing furnace
FR878707392A FR2599483B1 (en) 1986-05-27 1987-05-26 SLOW COOLING OVEN

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986080338U JPH031476Y2 (en) 1986-05-27 1986-05-27

Publications (2)

Publication Number Publication Date
JPS62191860U JPS62191860U (en) 1987-12-05
JPH031476Y2 true JPH031476Y2 (en) 1991-01-17

Family

ID=13715475

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986080338U Expired JPH031476Y2 (en) 1986-05-27 1986-05-27

Country Status (4)

Country Link
JP (1) JPH031476Y2 (en)
KR (1) KR910003537B1 (en)
DE (1) DE3717537A1 (en)
FR (1) FR2599483B1 (en)

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CN102939507A (en) * 2010-05-28 2013-02-20 利塞克建筑机械意大利责任有限公司 Apparatus and facility for the manufacture of layered slates and relative method

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KR101388357B1 (en) * 2012-12-11 2014-04-22 현대제철 주식회사 Rapid cooling device of continuous annealing line
DE102013114578A1 (en) 2013-12-19 2015-06-25 Sandvik Materials Technology Deutschland Gmbh Annealing furnace and method for annealing a steel strand
KR102458595B1 (en) 2022-05-03 2022-10-26 대한민국 Apparatus for washing of vessel

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1424884A (en) * 1965-02-17 1966-01-14 Wilson Eng Co Inc Lee Method for heating, in particular, winding of metal in a strip and apparatus for carrying out this method or similar method
BE795780A (en) * 1972-02-23 1973-08-22 Ugine Infra THERMAL TREATMENT OVEN WITH OPERATION SELECTOR
JPS51141705A (en) * 1975-06-02 1976-12-06 Daido Steel Co Ltd A method of operating heat treatment furnaces
JPS5826416B2 (en) * 1977-04-20 1983-06-02 日本鋼管株式会社 Forced convection cooling control method
DE3540764C1 (en) * 1985-11-16 1987-05-21 Riedhammer Ludwig Gmbh Continuous furnace

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102939507A (en) * 2010-05-28 2013-02-20 利塞克建筑机械意大利责任有限公司 Apparatus and facility for the manufacture of layered slates and relative method

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KR870011254A (en) 1987-12-22
KR910003537B1 (en) 1991-06-04
FR2599483B1 (en) 1990-07-20
JPS62191860U (en) 1987-12-05
FR2599483A1 (en) 1987-12-04
DE3717537A1 (en) 1987-12-03

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