ES2141825T3 - Horno de fusion de arco electrico con inyeccion de oxigeno controlada. - Google Patents
Horno de fusion de arco electrico con inyeccion de oxigeno controlada.Info
- Publication number
- ES2141825T3 ES2141825T3 ES94912676T ES94912676T ES2141825T3 ES 2141825 T3 ES2141825 T3 ES 2141825T3 ES 94912676 T ES94912676 T ES 94912676T ES 94912676 T ES94912676 T ES 94912676T ES 2141825 T3 ES2141825 T3 ES 2141825T3
- Authority
- ES
- Spain
- Prior art keywords
- amount
- air
- oven
- frame
- scrap
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
- C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/527—Charging of the electric furnace
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/56—Manufacture of steel by other methods
- C21C5/562—Manufacture of steel by other methods starting from scrap
- C21C5/565—Preheating of scrap
-
- 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
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/18—Arrangements of devices for charging
- F27B3/183—Charging of arc furnaces vertically through the roof, e.g. in three points
- F27B3/186—Charging in a vertical chamber adjacent to the melting chamber
-
- 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
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/20—Arrangements of heating devices
-
- 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
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/20—Arrangements of heating devices
- F27B3/205—Burners
-
- 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
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/22—Arrangements of air or gas supply devices
- F27B3/225—Oxygen blowing
-
- 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
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/28—Arrangement of controlling, monitoring, alarm or the like devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
- F27D13/002—Preheating scrap
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0006—Monitoring the characteristics (composition, quantities, temperature, pressure) of at least one of the gases of the kiln atmosphere and using it as a controlling value
- F27D2019/0018—Monitoring the temperature of the atmosphere of the kiln
- F27D2019/0021—Monitoring the temperature of the exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0068—Regulation involving a measured inflow of a particular gas in the enclosure
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
LA INVENCION ESTA PROVISTA DE UN ARMAZON DE HORNO (1) QUE TIENE UN ELECTRODO (3) Y ESTA ADAPTADO PARA FUNDIR CHATARRA CON CALOR DE ARCO, UN PUERTO DE SOPLADO (20) DESDE EL CUAL EL AIRE ES SOPLADO AL ARMAZON DEL HORNO (1) MEDIANTE UNA VALVULA DE CONTROL DE AIRE (19), UN INDICADOR DE CANTIDAD DE CARBONO SOPLADO (CI) ADAPTADO PARA MEDIR LA CANTIDAD DE CARBONO INTRODUCIDO EN EL ARMAZON DE HORNO (1), UN INDICADOR DE CANTIDAD DE SUMINISTRO DE CHATARRA (SI) ADAPTADO PARA MEDIR LA CANTIDAD DE CHATARRA INTRODUCIDA EN EL ARMAZON DE HORNO (1), UN INDICADOR DE CANTIDAD DE OXIGENO SOPLADO (OI) ADAPTADO PARA MEDIR LA CANTIDAD DE OXIGENO INTRODUCIDA EN EL ARMAZON DE HORNO (1), Y UN ELEMENTO CALCULADOR (7) ADAPTADO PARA DETERMINAR LA CANTIDAD DE AIRE QUE SE REQUIERE PARA QUEMAR COMPLETAMENTE EL MONOXIDO DE CARBONO (23) EN EL ARMAZON DEL HORNO (1), SOBRE LA BASE DE LOS VALORES DE MEDIDA OBTENIDOS DE LOS INDICADORES (CI),(SI) Y (OI), Y CON EL CONTROL DEL GRADO DE APERTURA DE LA VALVULA DE CONTROL DE AIRE (19). LA CANTIDAD DE AIRE ES PROPORCIONAL A LA CANTIDAD DE MONOXIDO DE CARBONO (23) QUE ES SOPLADA DESDE EL PUERTO DE SOPLADO DE AIRE (20) DENTRO DEL HORNO, PARA POSIBILITAR EL CONTROL DE LA TEMPERATURA DE COMBUSTION EN EL ARMAZON DEL HORNO (1) Y DE LA TEMPERATURA EN UN PRECALENTADOR DE CHATARRA.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24483993 | 1993-09-30 | ||
JP32415893A JPH07145420A (ja) | 1993-09-30 | 1993-12-22 | 電気アーク溶解炉 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2141825T3 true ES2141825T3 (es) | 2000-04-01 |
Family
ID=26536928
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES98202286T Expired - Lifetime ES2176899T3 (es) | 1993-09-30 | 1994-04-14 | Horno de fusion de arco electrico. |
ES94912676T Expired - Lifetime ES2141825T3 (es) | 1993-09-30 | 1994-04-14 | Horno de fusion de arco electrico con inyeccion de oxigeno controlada. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES98202286T Expired - Lifetime ES2176899T3 (es) | 1993-09-30 | 1994-04-14 | Horno de fusion de arco electrico. |
Country Status (11)
Country | Link |
---|---|
US (2) | US5590150A (es) |
EP (2) | EP0671595B1 (es) |
JP (1) | JPH07145420A (es) |
KR (1) | KR0163970B1 (es) |
CN (2) | CN1099573C (es) |
AU (3) | AU668821B2 (es) |
CA (1) | CA2135780C (es) |
DE (2) | DE69422492T2 (es) |
ES (2) | ES2176899T3 (es) |
TW (1) | TW263554B (es) |
WO (1) | WO1995009336A1 (es) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1280115B1 (it) * | 1995-01-17 | 1998-01-05 | Danieli Off Mecc | Procedimento di fusione per forno elettrico ad arco con sorgenti alternative di energia e relativo forno elettrico ad arco |
FR2735563B1 (fr) * | 1995-06-19 | 1997-07-25 | Air Liquide | Procede de fusion d'une charge dans un four |
US5822357A (en) * | 1995-06-19 | 1998-10-13 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process for melting a charge in a furnace |
IT1299725B1 (it) * | 1998-01-23 | 2000-04-04 | Danieli Off Mecc | Procedimento di alimentazione per tubiere per forno elettrico e relativo dispostivo di alimentazione |
US5943360A (en) * | 1998-04-17 | 1999-08-24 | Fuchs Systems, Inc. | Electric arc furnace that uses post combustion |
WO2001004559A1 (fr) | 1999-07-08 | 2001-01-18 | Nkk Corporation | Equipement et procede de fusion a l'arc pour source de fonte brute froide |
US6952446B1 (en) | 2001-12-10 | 2005-10-04 | The United States Of America As Represented By The Secretary Of The Air Force | Digital filter bank followed by monobit receivers for signal processing |
US6748004B2 (en) * | 2002-07-25 | 2004-06-08 | Air Liquide America, L.P. | Methods and apparatus for improved energy efficient control of an electric arc furnace fume extraction system |
RU2009110772A (ru) * | 2006-08-25 | 2010-09-27 | Линде, Инк. (Us) | Нагнетание кислорода через крышу или свод стеклоплавильной печи |
KR100799624B1 (ko) * | 2007-04-09 | 2008-01-30 | 이광희 | 용해조 배출가스 연소장치 |
DE102008009923B4 (de) * | 2008-02-18 | 2018-02-15 | Sms Group Gmbh | Verfahren zur Oxidation brennbarer Bestandteile im Abgas eines Lichtbogenofens |
RU2510480C2 (ru) * | 2009-02-03 | 2014-03-27 | Сименс Акциенгезелльшафт | Способ и устройство для регулирования выбросов окиси углерода электродуговой печи |
JP2011033217A (ja) * | 2009-07-30 | 2011-02-17 | Jp Steel Plantech Co | アーク溶解設備及びアーク溶解設備を用いた溶湯の製造方法 |
EP2290310A1 (de) * | 2009-07-31 | 2011-03-02 | Siemens Aktiengesellschaft | Verfahren zur dynamischen Regelung zumindest einer Einheit umfassend mindestens einen Brenner sowie Vorrichtung zur Durchführung des Verfahrens |
US20120152057A1 (en) * | 2009-08-27 | 2012-06-21 | Jp Steel Plantech Co. | Electric arc melting facility and method for producing molten metal by using the electric arc melting facility |
KR101185211B1 (ko) * | 2009-12-29 | 2012-09-21 | 현대제철 주식회사 | 전기로의 슬래그 배출 도어 장치 |
IT1401116B1 (it) * | 2010-07-14 | 2013-07-12 | Tenova Spa | Sistema di carica continua ad un forno fusorio di materiale metallico preriscaldato in forma continua, potenziata e combinata. |
CN101915504B (zh) * | 2010-08-23 | 2012-04-25 | 董兰田 | 富氧底吹双口放锍倾斜熔炉 |
RU2478890C2 (ru) * | 2011-02-21 | 2013-04-10 | Мухтар Зуфарович Валитов | Вытяжное устройство для улавливания неорганизованных выбросов от металлургического агрегата |
DE102011015211B4 (de) * | 2011-03-25 | 2014-01-30 | Kautz Vorrichtungsbau Gmbh | Verfahren zum Betrieb eines Elektrolichtbogenofensystems und Elektrolichtbogenofensystem |
KR101299096B1 (ko) * | 2011-03-30 | 2013-08-28 | 현대제철 주식회사 | 래들로용 지붕 |
CN103033033B (zh) * | 2012-12-31 | 2014-12-17 | 攀钢集团工程技术有限公司 | 一种钒制品熔化炉 |
KR101567866B1 (ko) * | 2014-03-07 | 2015-11-10 | 주식회사 에스에이씨 | 전기 아크로 및 전기 아크로의 스크랩 예열 방법 |
US20200165692A1 (en) * | 2017-09-28 | 2020-05-28 | Taiyo Nippon Sanso Corporation | Method for operating melting/refining furnace and melting-refining furnace |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3303257A (en) * | 1963-02-08 | 1967-02-07 | Tanabe Kakoki Co | Apparatus for utilizing waste heat of gas generated from an electric smelting furnace |
DE1804098A1 (de) * | 1967-10-23 | 1969-07-03 | Krupp Gmbh | Verfahren und Vorrichtung zur Vorwaermung von Schrott fuer Lichtbogenoefen |
DE1936649A1 (de) * | 1968-08-22 | 1970-02-26 | Krupp Gmbh | Verfahren und Vorrichtung zur Optimierung der Sauerstoffzufuhr in Elektrolichtbogenoefen |
DE2437245C3 (de) * | 1974-08-02 | 1979-01-18 | Demag Ag, 4100 Duisburg | Vorrichtung zur kontrollierbaren Rauchgasverbrennung für einen geschlossenen Lichtbogen-Reduktionsofen zur Erzeugung von Metallen und Metall-Legierungen ' |
JPS5848834B2 (ja) * | 1976-06-21 | 1983-10-31 | 大同特殊鋼株式会社 | 還元鉄溶解用ア−ク炉 |
JPS5932525B2 (ja) * | 1977-02-08 | 1984-08-09 | 石川島播磨重工業株式会社 | 電気炉製鋼法 |
US4255184A (en) * | 1978-07-18 | 1981-03-10 | Japan Metals & Chemicals Co., Ltd. | Method and apparatus for refining ferrosilicon |
JPS5647505A (en) * | 1979-09-22 | 1981-04-30 | Nippon Tungsten Co Ltd | Mechanical sieal ring and preparation thereof |
US4242532A (en) * | 1979-12-21 | 1980-12-30 | Ford Motor Company | Method of controlling exhaust gas emissions from an electric arc furnace |
US4375958A (en) * | 1980-06-06 | 1983-03-08 | Nippon Kokan Kabushiki Kaisha | Method for preheating steel scrap by exhaust gas from steelmaking electric furnace |
JPS59104419A (ja) * | 1982-12-03 | 1984-06-16 | Daido Steel Co Ltd | ア−ク炉製鋼法 |
JPS6166080A (ja) * | 1984-09-10 | 1986-04-04 | 大同特殊鋼株式会社 | ア−ク炉 |
US4646315A (en) * | 1984-10-04 | 1987-02-24 | Pennsylvania Engineering Corporation | Arc furnace burner control method and apparatus |
DE3629055A1 (de) * | 1986-08-27 | 1988-03-03 | Kloeckner Cra Tech | Verfahren zum gesteigerten energieeinbringen in elektrolichtbogenoefen |
JPS6393815A (ja) * | 1986-10-08 | 1988-04-25 | Daido Steel Co Ltd | 溶解炉操業における助燃方法 |
DE3723783A1 (de) * | 1987-07-16 | 1989-01-26 | Mannesmann Ag | Anlage zur verwertung der abgase eines elektro-schmelzofens fuer stahl |
JPH0224290A (ja) * | 1988-07-13 | 1990-01-26 | Nkk Corp | 低抵杭水中翼 |
US5153894A (en) * | 1989-03-02 | 1992-10-06 | Fuchs Technology Ag | Smelting plant with removable shaft-like charging material preheater |
FI85912C (sv) * | 1990-04-11 | 1992-06-10 | Partek Ab | Förfarande och anordning för styrning av råmaterialtillförseln till en elektrisk smältugn |
FR2663723B1 (fr) * | 1990-06-20 | 1995-07-28 | Air Liquide | Procede et installation de fusion d'une charge en four. |
DE4209765C2 (de) * | 1992-03-23 | 1994-11-03 | Mannesmann Ag | Verfahren und Vorrichtung zur Behandlung der Abgase eines Lichtbogenofens |
-
1993
- 1993-12-22 JP JP32415893A patent/JPH07145420A/ja active Pending
-
1994
- 1994-04-14 US US08/338,545 patent/US5590150A/en not_active Expired - Lifetime
- 1994-04-14 WO PCT/JP1994/000619 patent/WO1995009336A1/ja active IP Right Grant
- 1994-04-14 EP EP94912676A patent/EP0671595B1/en not_active Expired - Lifetime
- 1994-04-14 ES ES98202286T patent/ES2176899T3/es not_active Expired - Lifetime
- 1994-04-14 AU AU65129/94A patent/AU668821B2/en not_active Ceased
- 1994-04-14 DE DE1994622492 patent/DE69422492T2/de not_active Expired - Lifetime
- 1994-04-14 KR KR1019940704314A patent/KR0163970B1/ko not_active IP Right Cessation
- 1994-04-14 EP EP19980202286 patent/EP0884545B1/en not_active Expired - Lifetime
- 1994-04-14 DE DE1994630961 patent/DE69430961T2/de not_active Expired - Lifetime
- 1994-04-14 CN CN94190280A patent/CN1099573C/zh not_active Expired - Fee Related
- 1994-04-14 CA CA 2135780 patent/CA2135780C/en not_active Expired - Fee Related
- 1994-04-14 ES ES94912676T patent/ES2141825T3/es not_active Expired - Lifetime
- 1994-07-19 TW TW83106583A patent/TW263554B/zh active
-
1995
- 1995-10-16 US US08/543,758 patent/US5680413A/en not_active Expired - Lifetime
-
1996
- 1996-03-15 AU AU48130/96A patent/AU679653B2/en not_active Ceased
-
1997
- 1997-04-30 AU AU19143/97A patent/AU686069B2/en not_active Ceased
-
2001
- 2001-12-07 CN CNB011435291A patent/CN1232793C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2135780C (en) | 1998-12-22 |
EP0671595B1 (en) | 2000-01-05 |
DE69422492D1 (de) | 2000-02-10 |
AU6512994A (en) | 1995-04-18 |
KR0163970B1 (ko) | 1999-01-15 |
DE69430961D1 (de) | 2002-08-14 |
TW263554B (es) | 1995-11-21 |
AU686069B2 (en) | 1998-01-29 |
JPH07145420A (ja) | 1995-06-06 |
AU679653B2 (en) | 1997-07-03 |
DE69430961T2 (de) | 2003-03-27 |
CN1099573C (zh) | 2003-01-22 |
EP0884545B1 (en) | 2002-07-10 |
EP0884545A1 (en) | 1998-12-16 |
CA2135780A1 (en) | 1995-03-31 |
CN1109694A (zh) | 1995-10-04 |
EP0671595A4 (en) | 1996-02-28 |
EP0671595A1 (en) | 1995-09-13 |
US5680413A (en) | 1997-10-21 |
AU4813096A (en) | 1996-05-30 |
AU1914397A (en) | 1997-06-26 |
CN1368630A (zh) | 2002-09-11 |
CN1232793C (zh) | 2005-12-21 |
DE69422492T2 (de) | 2000-06-21 |
AU668821B2 (en) | 1996-05-16 |
ES2176899T3 (es) | 2002-12-01 |
WO1995009336A1 (fr) | 1995-04-06 |
US5590150A (en) | 1996-12-31 |
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