FR2665652A1 - Procede et dispositif de fabrication d'une bande en acier inoxydable semi-ferritique a partir de metal en fusion. - Google Patents
Procede et dispositif de fabrication d'une bande en acier inoxydable semi-ferritique a partir de metal en fusion. Download PDFInfo
- Publication number
- FR2665652A1 FR2665652A1 FR9010304A FR9010304A FR2665652A1 FR 2665652 A1 FR2665652 A1 FR 2665652A1 FR 9010304 A FR9010304 A FR 9010304A FR 9010304 A FR9010304 A FR 9010304A FR 2665652 A1 FR2665652 A1 FR 2665652A1
- Authority
- FR
- France
- Prior art keywords
- strip
- band
- under
- bath
- neck
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 6
- 239000002184 metal Substances 0.000 title claims abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 238000010791 quenching Methods 0.000 claims abstract description 21
- 230000000171 quenching effect Effects 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 229910001566 austenite Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- 239000011261 inert gas Substances 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 16
- 239000010935 stainless steel Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 150000002739 metals Chemical class 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims 2
- 238000005034 decoration Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 229910000734 martensite Inorganic materials 0.000 abstract description 7
- 239000011159 matrix material Substances 0.000 abstract description 3
- 238000005266 casting Methods 0.000 abstract 2
- 238000009749 continuous casting Methods 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241000238876 Acari Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 241001134453 Lista Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 235000006040 Prunus persica var persica Nutrition 0.000 description 1
- 240000006413 Prunus persica var. persica Species 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
- B22D11/1241—Accessories for subsequent treating or working cast stock in situ for cooling by transporting the cast stock through a liquid medium bath or a fluidized bed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
- B22D11/1245—Accessories for subsequent treating or working cast stock in situ for cooling using specific cooling agents
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/607—Molten salts
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Coating With Molten Metal (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Catalysts (AREA)
- Hydroponics (AREA)
- Artificial Fish Reefs (AREA)
Priority Applications (17)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9010304A FR2665652A1 (fr) | 1990-08-13 | 1990-08-13 | Procede et dispositif de fabrication d'une bande en acier inoxydable semi-ferritique a partir de metal en fusion. |
| DE69121222T DE69121222T2 (de) | 1990-08-13 | 1991-08-06 | Verfahren und Vorrichtung zur Herstellung eines nichtoxydierbaren halbferretischen Stahlbandes aus flüssigem Metall |
| EP91402200A EP0471608B1 (fr) | 1990-08-13 | 1991-08-06 | Procédé et dispositif de fabrication d'une bande en acier inoxydable semi-ferritique à partir de métal en fusion |
| AT91402200T ATE141066T1 (de) | 1990-08-13 | 1991-08-06 | Verfahren und vorrichtung zur herstellung eines nichtoxydierbaren halbferretischen stahlbandes aus flüssigem metall |
| ES91402200T ES2090274T3 (es) | 1990-08-13 | 1991-08-06 | Procedimiento y dispositivo de fabricacion de una banda de acero inoxidable semiferritico a partir de metal en fusion. |
| DK91402200.9T DK0471608T3 (da) | 1990-08-13 | 1991-08-06 | Fremgangsmåde og anlæg til fremstilling af rustfrie halvferritiske stålbånd af smeltet metal |
| NO913077A NO179780C (no) | 1990-08-13 | 1991-08-08 | Fremgangsmåte og anordning for fremstilling av semi-ferrittisk rustfri stålstrimmel |
| CA002048769A CA2048769A1 (fr) | 1990-08-13 | 1991-08-08 | Procede et dispositif de fabrication d'une bande en acier inoxydable semi-ferritique |
| ZA916292A ZA916292B (en) | 1990-08-13 | 1991-08-09 | Manufacture of semi-ferritic stainless steel strip from molten metal |
| PT98623A PT98623A (pt) | 1990-08-13 | 1991-08-09 | Processo e dispositivo de fabrico duma banda de aco inoxidavel semi-ferritico a partir de metal em fusao |
| US07/743,891 US5201363A (en) | 1990-08-13 | 1991-08-12 | Method and device for manufacturing a semi-ferritic stainless steel strip from molten metal |
| IE285691A IE912856A1 (en) | 1990-08-13 | 1991-08-12 | Method and device for manufacturing a semi-ferritic¹stainless steel strip from molten metal |
| FI913822A FI95360C (fi) | 1990-08-13 | 1991-08-12 | Menetelmä ja laite puoliferriittisen ruostumattoman teräsnauhan valmistamiseksi sulan metallin kylvystä |
| AU82429/91A AU644672B2 (en) | 1990-08-13 | 1991-08-13 | Method and device for manufacturing a semi-ferritic stainless steel strip from molten metal |
| JP3228383A JP2919125B2 (ja) | 1990-08-13 | 1991-08-13 | 溶融金属からセミフェライト系のステンレス鋼ストリップを製造する方法および装置 |
| TW080109835A TW198735B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-08-13 | 1991-12-14 | |
| GR960402241T GR3020882T3 (en) | 1990-08-13 | 1996-08-28 | Method of and installation for producing nonoxidizable half ferritic steel strips from liquid metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9010304A FR2665652A1 (fr) | 1990-08-13 | 1990-08-13 | Procede et dispositif de fabrication d'une bande en acier inoxydable semi-ferritique a partir de metal en fusion. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2665652A1 true FR2665652A1 (fr) | 1992-02-14 |
| FR2665652B1 FR2665652B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1994-12-30 |
Family
ID=9399643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9010304A Granted FR2665652A1 (fr) | 1990-08-13 | 1990-08-13 | Procede et dispositif de fabrication d'une bande en acier inoxydable semi-ferritique a partir de metal en fusion. |
Country Status (17)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU676101B2 (en) * | 1993-11-18 | 1997-02-27 | Bluescope Steel Limited | Casting stainless steel strip on surface with specified roughness |
| US6264767B1 (en) | 1995-06-07 | 2001-07-24 | Ipsco Enterprises Inc. | Method of producing martensite-or bainite-rich steel using steckel mill and controlled cooling |
| FR2763960B1 (fr) * | 1997-05-29 | 1999-07-16 | Usinor | Procede de fabrication de bandes minces d'acier inoxydable ferritique, et bandes minces ainsi obtenues |
| US6374901B1 (en) | 1998-07-10 | 2002-04-23 | Ipsco Enterprises Inc. | Differential quench method and apparatus |
| US7073565B2 (en) | 1999-02-05 | 2006-07-11 | Castrip, Llc | Casting steel strip |
| AUPP852599A0 (en) † | 1999-02-05 | 1999-03-04 | Bhp Steel (Jla) Pty Limited | Casting steel strip |
| AT411025B (de) * | 2002-02-27 | 2003-09-25 | Voest Alpine Ind Anlagen | Vorrichtung zum kontinuierlichen vergiessen von metallschmelze |
| EP1452252A1 (en) * | 2003-02-28 | 2004-09-01 | Hubert Dipl.-Ing. Sommerhofer | Continuous casting method |
| JP4580280B2 (ja) * | 2005-05-31 | 2010-11-10 | 三菱日立製鉄機械株式会社 | 双ロール式連続鋳造機及び双ロール式連続鋳造方法 |
| CN101265516B (zh) * | 2008-04-23 | 2010-06-02 | 浙江佰耐钢带有限公司 | 一种钢带淬火工艺及所用的冷却介质 |
| KR101203694B1 (ko) | 2010-06-30 | 2012-11-21 | 주식회사 에스티 | 전기접점재료용 급냉 리본 제조방법 및 그 제조방법에 적용되는 급속응고장치 |
| DE102013224851A1 (de) * | 2013-12-04 | 2015-06-11 | Schaeffler Technologies AG & Co. KG | Kettenelement |
| JP6474965B2 (ja) * | 2014-04-10 | 2019-02-27 | 権田金属工業株式会社 | 双ロール鋳造方法 |
| CN112355259B (zh) * | 2020-11-09 | 2022-04-19 | 中铝材料应用研究院有限公司 | 一种铝合金薄板液态连续凝固成型的制备装置及制备方法 |
| CN113751680B (zh) * | 2021-09-09 | 2022-05-06 | 中南大学 | 一种超细晶马氏体时效钢薄带的制造方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62112751A (ja) * | 1985-11-09 | 1987-05-23 | Nippon Steel Corp | 鉄基形状記憶合金薄板・線の製造方法 |
| JPS62197247A (ja) * | 1986-02-21 | 1987-08-31 | Nippon Yakin Kogyo Co Ltd | 異方性が小さくかつ結晶粒が粗大化し難いオーステナイト系ステンレス鋼薄板帯の製造方法 |
| JPH01299745A (ja) * | 1988-05-25 | 1989-12-04 | Ishikawajima Harima Heavy Ind Co Ltd | 双ロール式連鋳機によるオーステナイト系ステンレスの鋳造方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3658117A (en) * | 1970-05-07 | 1972-04-25 | Fromson H A | Continuous metal casting method and apparatus |
| JPS61293638A (ja) * | 1985-06-20 | 1986-12-24 | Mitsubishi Heavy Ind Ltd | バルジング防止装置 |
| ES2005801B3 (es) * | 1986-02-13 | 1991-04-01 | Larex Ag | Procedimiento para la colada continua e instalacion de colada continua para el desarrollo del mismo. |
| US4723997A (en) * | 1987-04-20 | 1988-02-09 | L'air Liquide | Method and apparatus for shielding a stream of liquid metal |
| WO1990000454A1 (fr) * | 1988-07-08 | 1990-01-25 | Nippon Steel Corporation | PROCEDE DE FABRICATION DE TOLES MINCES EN ACIER INOXYDABLE Cr-Ni, DE QUALITE ET FINITION EXCELLENTES |
-
1990
- 1990-08-13 FR FR9010304A patent/FR2665652A1/fr active Granted
-
1991
- 1991-08-06 ES ES91402200T patent/ES2090274T3/es not_active Expired - Lifetime
- 1991-08-06 DE DE69121222T patent/DE69121222T2/de not_active Expired - Fee Related
- 1991-08-06 EP EP91402200A patent/EP0471608B1/fr not_active Expired - Lifetime
- 1991-08-06 AT AT91402200T patent/ATE141066T1/de not_active IP Right Cessation
- 1991-08-06 DK DK91402200.9T patent/DK0471608T3/da active
- 1991-08-08 CA CA002048769A patent/CA2048769A1/fr not_active Abandoned
- 1991-08-08 NO NO913077A patent/NO179780C/no not_active IP Right Cessation
- 1991-08-09 ZA ZA916292A patent/ZA916292B/xx unknown
- 1991-08-09 PT PT98623A patent/PT98623A/pt unknown
- 1991-08-12 IE IE285691A patent/IE912856A1/en unknown
- 1991-08-12 FI FI913822A patent/FI95360C/fi active
- 1991-08-12 US US07/743,891 patent/US5201363A/en not_active Expired - Fee Related
- 1991-08-13 AU AU82429/91A patent/AU644672B2/en not_active Ceased
- 1991-08-13 JP JP3228383A patent/JP2919125B2/ja not_active Expired - Lifetime
- 1991-12-14 TW TW080109835A patent/TW198735B/zh active
-
1996
- 1996-08-28 GR GR960402241T patent/GR3020882T3/el unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62112751A (ja) * | 1985-11-09 | 1987-05-23 | Nippon Steel Corp | 鉄基形状記憶合金薄板・線の製造方法 |
| JPS62197247A (ja) * | 1986-02-21 | 1987-08-31 | Nippon Yakin Kogyo Co Ltd | 異方性が小さくかつ結晶粒が粗大化し難いオーステナイト系ステンレス鋼薄板帯の製造方法 |
| JPH01299745A (ja) * | 1988-05-25 | 1989-12-04 | Ishikawajima Harima Heavy Ind Co Ltd | 双ロール式連鋳機によるオーステナイト系ステンレスの鋳造方法 |
Non-Patent Citations (3)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 11, no. 326 (C-454)(2773), 23 octobre 1987; & JP - A - 62112751 (NIPPON STEEL CORP.) 23.05.1987 * |
| PATENT ABSTRACTS OF JAPAN vol. 12, no. 45 (M-667)(2892), 10 février 1988; & JP - A - 62197247 (NIPPON YAKIN) 31.08.1987 * |
| PATENT ABSTRACTS OF JAPAN vol. 14, no. 87 (M-937)(4030), 19 février 1990; & JP - A - 1299745 (ISHIKAWAJIMA) 04.12.1989 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2665652B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1994-12-30 |
| JPH0623491A (ja) | 1994-02-01 |
| NO179780B (no) | 1996-09-09 |
| AU644672B2 (en) | 1993-12-16 |
| FI95360C (fi) | 1996-01-25 |
| ES2090274T3 (es) | 1996-10-16 |
| TW198735B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-01-21 |
| US5201363A (en) | 1993-04-13 |
| GR3020882T3 (en) | 1996-11-30 |
| NO179780C (no) | 1996-12-18 |
| ATE141066T1 (de) | 1996-08-15 |
| FI95360B (fi) | 1995-10-13 |
| ZA916292B (en) | 1993-03-31 |
| FI913822A0 (fi) | 1991-08-12 |
| DK0471608T3 (da) | 1996-12-23 |
| AU8242991A (en) | 1992-02-20 |
| CA2048769A1 (fr) | 1992-02-14 |
| NO913077D0 (no) | 1991-08-08 |
| FI913822L (fi) | 1992-02-14 |
| JP2919125B2 (ja) | 1999-07-12 |
| DE69121222T2 (de) | 1997-03-20 |
| NO913077L (no) | 1992-02-14 |
| PT98623A (pt) | 1993-08-31 |
| DE69121222D1 (de) | 1996-09-12 |
| IE912856A1 (en) | 1992-02-26 |
| EP0471608A1 (fr) | 1992-02-19 |
| EP0471608B1 (fr) | 1996-08-07 |
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