IT1284268B1 - Procedimento per la produzione di lamierino magnetico a grano orientato, con elevate caratteristiche magnetiche, a partire da - Google Patents

Procedimento per la produzione di lamierino magnetico a grano orientato, con elevate caratteristiche magnetiche, a partire da

Info

Publication number
IT1284268B1
IT1284268B1 IT96RM000600A ITRM960600A IT1284268B1 IT 1284268 B1 IT1284268 B1 IT 1284268B1 IT 96RM000600 A IT96RM000600 A IT 96RM000600A IT RM960600 A ITRM960600 A IT RM960600A IT 1284268 B1 IT1284268 B1 IT 1284268B1
Authority
IT
Italy
Prior art keywords
production
procedure
starting
grain oriented
high magnetic
Prior art date
Application number
IT96RM000600A
Other languages
English (en)
Inventor
Stefano Fortunati
Stefano Cicale
Giuseppe Abbruzzese
Original Assignee
Acciai Speciali Terni Spa
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 to IT96RM000600A priority Critical patent/IT1284268B1/it
Application filed by Acciai Speciali Terni Spa filed Critical Acciai Speciali Terni Spa
Priority to US09/243,000 priority patent/US6296719B1/en
Priority to CZ1999671A priority patent/CZ291167B6/cs
Priority to CN97197500A priority patent/CN1073164C/zh
Priority to EP97933689A priority patent/EP0922119B1/en
Priority to PL97331735A priority patent/PL182816B1/pl
Priority to KR10-1999-7001256A priority patent/KR100524441B1/ko
Priority to PCT/EP1997/003921 priority patent/WO1998008987A1/en
Priority to DE69703246T priority patent/DE69703246T2/de
Priority to AT97933689T priority patent/ATE196780T1/de
Priority to SK262-99A priority patent/SK283599B6/sk
Priority to RU99106588/02A priority patent/RU2194775C2/ru
Priority to JP51121198A priority patent/JP4653261B2/ja
Priority to BR9711270-4A priority patent/BR9711270A/pt
Priority to ES97933689T priority patent/ES2153208T3/es
Priority to AU36959/97A priority patent/AU3695997A/en
Priority to IN1375CA1997 priority patent/IN192028B/en
Publication of ITRM960600A1 publication Critical patent/ITRM960600A1/it
Application granted granted Critical
Publication of IT1284268B1 publication Critical patent/IT1284268B1/it
Priority to GR20000402852T priority patent/GR3035165T3/el

Links

Classifications

    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1205—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving particular fabrication steps or treatments of ingots or slabs
    • C21D8/1211—Rapid solidification; Thin strip casting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/16—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the working steps
    • C21D8/1222—Hot rolling
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/1255—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment with diffusion of elements, e.g. decarburising, nitriding
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/1261—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment following hot rolling
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/1272—Final recrystallisation annealing

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
  • Continuous Casting (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
IT96RM000600A 1996-08-30 1996-08-30 Procedimento per la produzione di lamierino magnetico a grano orientato, con elevate caratteristiche magnetiche, a partire da IT1284268B1 (it)

Priority Applications (18)

Application Number Priority Date Filing Date Title
IT96RM000600A IT1284268B1 (it) 1996-08-30 1996-08-30 Procedimento per la produzione di lamierino magnetico a grano orientato, con elevate caratteristiche magnetiche, a partire da
SK262-99A SK283599B6 (sk) 1996-08-30 1997-07-21 Spôsob výroby pásu z kremíkovej ocele s vysokými charakteristikami
CN97197500A CN1073164C (zh) 1996-08-30 1997-07-21 用薄钢坯生产具有高的磁性能的晶粒取向电工钢带的工艺
EP97933689A EP0922119B1 (en) 1996-08-30 1997-07-21 Process for the production of grain oriented electrical steel strip having high magnetic characteristics, starting from thin slabs
PL97331735A PL182816B1 (pl) 1996-08-30 1997-07-21 Sposób wytwarzania z cienkich wlewków elektrotechnicznych teksturowanych taśm stalowych mających wysokie charakterystyki magnetyczne
KR10-1999-7001256A KR100524441B1 (ko) 1996-08-30 1997-07-21 박판슬래브로부터 고자기 특성을 갖는 방향성 전기스틸스트립의 제조방법
PCT/EP1997/003921 WO1998008987A1 (en) 1996-08-30 1997-07-21 Process for the production of grain oriented electrical steel strip having high magnetic characteristics, starting from thin slabs
DE69703246T DE69703246T2 (de) 1996-08-30 1997-07-21 Herstellungsverfahren von kornorientierter elektrostahlband mit hohe magnetische eigenschaften, ausgehend von dünnbrammen
US09/243,000 US6296719B1 (en) 1996-08-30 1997-07-21 Process for the production of grain oriented electrical steel strip having high magnetic characteristics, starting from thin slabs
CZ1999671A CZ291167B6 (cs) 1996-08-30 1997-07-21 Způsob výroby uąlechtilé křemíkové pásové oceli
RU99106588/02A RU2194775C2 (ru) 1996-08-30 1997-07-21 Способ получения текстурированной электротехнической полосовой стали с высокими магнитными характеристиками, начиная с тонких слябов
JP51121198A JP4653261B2 (ja) 1996-08-30 1997-07-21 薄いスラブからの高磁気特性を備えた粒配向性電気鋼ストリップの製造方法
BR9711270-4A BR9711270A (pt) 1996-08-30 1997-07-21 Processo para a produção de tira de aço-silìco com elevadas caracterìsticas.
ES97933689T ES2153208T3 (es) 1996-08-30 1997-07-21 Proceso de fabricacion de bandas de acero de grano orientado de altas caracteristicas magneticas para aplicaciones electricas, empezando con chapas finas.
AU36959/97A AU3695997A (en) 1996-08-30 1997-07-21 Process for the production of grain oriented electrical steel strip having high magnetic characteristics, starting from thin slabs
AT97933689T ATE196780T1 (de) 1996-08-30 1997-07-21 Herstellungsverfahren von kornorientierter elektrostahlband mit hohe magnetische eigenschaften, ausgehend von dünnbrammen
IN1375CA1997 IN192028B (it) 1996-08-30 1997-07-23
GR20000402852T GR3035165T3 (en) 1996-08-30 2000-12-28 Process for the production of grain oriented electrical steel strip having high magnetic characteristics, starting from thin slabs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96RM000600A IT1284268B1 (it) 1996-08-30 1996-08-30 Procedimento per la produzione di lamierino magnetico a grano orientato, con elevate caratteristiche magnetiche, a partire da

Publications (2)

Publication Number Publication Date
ITRM960600A1 ITRM960600A1 (it) 1998-03-02
IT1284268B1 true IT1284268B1 (it) 1998-05-14

Family

ID=11404407

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96RM000600A IT1284268B1 (it) 1996-08-30 1996-08-30 Procedimento per la produzione di lamierino magnetico a grano orientato, con elevate caratteristiche magnetiche, a partire da

Country Status (18)

Country Link
US (1) US6296719B1 (it)
EP (1) EP0922119B1 (it)
JP (1) JP4653261B2 (it)
KR (1) KR100524441B1 (it)
CN (1) CN1073164C (it)
AT (1) ATE196780T1 (it)
AU (1) AU3695997A (it)
BR (1) BR9711270A (it)
CZ (1) CZ291167B6 (it)
DE (1) DE69703246T2 (it)
ES (1) ES2153208T3 (it)
GR (1) GR3035165T3 (it)
IN (1) IN192028B (it)
IT (1) IT1284268B1 (it)
PL (1) PL182816B1 (it)
RU (1) RU2194775C2 (it)
SK (1) SK283599B6 (it)
WO (1) WO1998008987A1 (it)

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IT1290978B1 (it) 1997-03-14 1998-12-14 Acciai Speciali Terni Spa Procedimento per il controllo dell'inibizione nella produzione di lamierino magnetico a grano orientato
EP1006207B1 (en) * 1998-03-11 2009-07-15 Nippon Steel Corporation A grain-oriented electrical steel sheet and method for producing the same
EP0947597B2 (en) † 1998-03-30 2015-06-10 Nippon Steel & Sumitomo Metal Corporation Method of producing a grain-oriented electrical steel sheet excellent in magnetic characteristics
KR100462913B1 (ko) * 1998-12-28 2004-12-23 신닛뽄세이테쯔 카부시키카이샤 연속 주조 빌릿 및 그 제조방법
IT1317894B1 (it) 2000-08-09 2003-07-15 Acciai Speciali Terni Spa Procedimento per la regolazione della distribuzione degli inibitorinella produzione di lamierini magnetici a grano orientato.
IT1316029B1 (it) * 2000-12-18 2003-03-26 Acciai Speciali Terni Spa Processo per la produzione di acciaio magnetico a grano orientato.
JP4258349B2 (ja) * 2002-10-29 2009-04-30 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
CN1295035C (zh) * 2004-03-30 2007-01-17 东北大学 一种取向硅钢极薄带的制造方法
CN100381598C (zh) * 2004-12-27 2008-04-16 宝山钢铁股份有限公司 一种取向硅钢及其生产方法和装置
KR100650554B1 (ko) 2005-07-29 2006-11-29 주식회사 포스코 두께가 두꺼운 방향성 전기강판의 제조방법
CN100389222C (zh) * 2005-12-13 2008-05-21 武汉钢铁(集团)公司 提高含铜取向硅钢电磁性能和底层质量的生产方法
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DE102007005015A1 (de) * 2006-06-26 2008-01-03 Sms Demag Ag Verfahren und Anlage zur Herstellung von Warmband-Walzgut aus Siliziumstahl auf der Basis von Dünnbrammen
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IT1396714B1 (it) 2008-11-18 2012-12-14 Ct Sviluppo Materiali Spa Procedimento per la produzione di lamierino magnetico a grano orientato a partire da bramma sottile.
CN101748259B (zh) * 2008-12-12 2011-12-07 鞍钢股份有限公司 一种低温加热生产高磁感取向硅钢的方法
CN101768697B (zh) 2008-12-31 2012-09-19 宝山钢铁股份有限公司 用一次冷轧法生产取向硅钢的方法
KR101351706B1 (ko) * 2009-03-23 2014-01-14 신닛테츠스미킨 카부시키카이샤 방향성 전자기 강판의 제조 방법, 권취 철심용 방향성 전자기 강판 및 권취 철심
WO2011013858A1 (ja) * 2009-07-31 2011-02-03 Ｊｆｅスチール株式会社 方向性電磁鋼板
IT1402624B1 (it) 2009-12-23 2013-09-13 Ct Sviluppo Materiali Spa Procedimento per la produzione di lamierini magnetici a grano orientato.
JP5031934B2 (ja) * 2010-03-17 2012-09-26 新日本製鐵株式会社 方向性電磁鋼板の製造方法
RU2410174C1 (ru) * 2010-03-18 2011-01-27 Общество С Ограниченной Ответственностью "Исследовательско-Технологический Центр "Аусферр" Способ производства горячекатаного листового проката
CN101956127B (zh) * 2010-10-15 2012-05-30 马鞍山钢铁股份有限公司 含Sn无取向电工钢板卷的制备方法
JP5772410B2 (ja) * 2010-11-26 2015-09-02 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
CN102828006B (zh) * 2011-06-14 2014-06-04 鞍钢股份有限公司 一种冷轧硅钢采用间歇式减量通入氢气的退火方法
DE102011054004A1 (de) * 2011-09-28 2013-03-28 Thyssenkrupp Electrical Steel Gmbh Verfahren zum Herstellen eines kornorientierten, für elektrotechnische Anwendungen bestimmten Elektrobands oder -blechs
CN103305744B (zh) * 2012-03-08 2016-03-30 宝山钢铁股份有限公司 一种高质量硅钢常化基板的生产方法
EP2876173B9 (en) * 2012-07-20 2019-06-19 Nippon Steel & Sumitomo Metal Corporation Manufacturing method of grain-oriented electrical steel sheet
CN103695619B (zh) * 2012-09-27 2016-02-24 宝山钢铁股份有限公司 一种高磁感普通取向硅钢的制造方法
JP5871137B2 (ja) * 2012-12-12 2016-03-01 Ｊｆｅスチール株式会社 方向性電磁鋼板
CN103774042B (zh) * 2013-12-23 2016-05-25 钢铁研究总院 一种薄板坯连铸连轧高磁感取向硅钢及其制备方法
DE102014112286A1 (de) * 2014-08-27 2016-03-03 Thyssenkrupp Ag Verfahren zur Herstellung eines aufgestickten Verpackungsstahls
JP6098772B2 (ja) * 2014-11-27 2017-03-22 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
RU2687781C1 (ru) * 2015-09-28 2019-05-16 Ниппон Стил Энд Сумитомо Метал Корпорейшн Лист электротехнической стали с ориентированной зеренной структурой и горячекатаный стальной лист для листа электротехнической стали с ориентированной зеренной структурой
JP6572855B2 (ja) * 2016-09-21 2019-09-11 Ｊｆｅスチール株式会社 方向性電磁鋼板およびその製造方法
BR112019008260B1 (pt) * 2016-11-01 2022-10-04 Jfe Steel Corporation Método para produzir lâmina de aço elétrico de grão orientado
CN109923222B (zh) * 2016-11-01 2021-04-27 杰富意钢铁株式会社 取向性电磁钢板的制造方法
KR102295735B1 (ko) * 2017-02-20 2021-08-30 제이에프이 스틸 가부시키가이샤 방향성 전기 강판의 제조 방법
CN108165876B (zh) * 2017-12-11 2020-09-01 鞍钢股份有限公司 一种改善低温渗氮取向硅钢表面质量的方法
CN109675927B (zh) * 2018-12-11 2021-04-13 西安诺博尔稀贵金属材料股份有限公司 一种核电用410不锈钢带材的制备方法
RU2701606C1 (ru) * 2019-04-29 2019-09-30 Общество с ограниченной ответственностью "ВИЗ-Сталь" Способ производства анизотропной электротехнической стали с высокой проницаемостью
CN111531138B (zh) * 2020-06-10 2021-12-14 武汉钢铁有限公司 一种薄板坯连铸连轧生产无取向电工钢的方法
CN115449741B (zh) * 2022-09-20 2023-11-24 武汉钢铁有限公司 一种基于薄板坯连铸连轧生产高磁感取向硅钢及方法

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GR3035165T3 (en) 2001-04-30
CZ291167B6 (cs) 2003-01-15
KR100524441B1 (ko) 2005-10-26
JP4653261B2 (ja) 2011-03-16
DE69703246T2 (de) 2001-04-26
IN192028B (it) 2004-02-07
CN1073164C (zh) 2001-10-17
JP2001500568A (ja) 2001-01-16
PL331735A1 (en) 1999-08-02
SK283599B6 (sk) 2003-10-07
EP0922119B1 (en) 2000-10-04
ATE196780T1 (de) 2000-10-15
DE69703246D1 (de) 2000-11-09
SK26299A3 (en) 2000-04-10
ES2153208T3 (es) 2001-02-16
ITRM960600A1 (it) 1998-03-02
WO1998008987A1 (en) 1998-03-05
US6296719B1 (en) 2001-10-02
EP0922119A1 (en) 1999-06-16
CZ67199A3 (cs) 2000-01-12
AU3695997A (en) 1998-03-19
BR9711270A (pt) 2000-01-18
CN1228817A (zh) 1999-09-15
KR20000029990A (ko) 2000-05-25
RU2194775C2 (ru) 2002-12-20
PL182816B1 (pl) 2002-03-29

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