CA2294333C - Continuous casting process for producing low carbon steel strips and strips so obtainable with good as cast mechanical properties - Google Patents
Continuous casting process for producing low carbon steel strips and strips so obtainable with good as cast mechanical properties Download PDFInfo
- Publication number
- CA2294333C CA2294333C CA002294333A CA2294333A CA2294333C CA 2294333 C CA2294333 C CA 2294333C CA 002294333 A CA002294333 A CA 002294333A CA 2294333 A CA2294333 A CA 2294333A CA 2294333 C CA2294333 C CA 2294333C
- Authority
- CA
- Canada
- Prior art keywords
- strip
- volume
- ferrite
- carbon steel
- cast
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 30
- 229910001209 Low-carbon steel Inorganic materials 0.000 title claims abstract description 16
- 238000009749 continuous casting Methods 0.000 title claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 238000005266 casting Methods 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000005554 pickling Methods 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 229910000859 α-Fe Inorganic materials 0.000 claims description 39
- 229910001563 bainite Inorganic materials 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 13
- 238000010586 diagram Methods 0.000 claims description 12
- 229910001566 austenite Inorganic materials 0.000 claims description 5
- 229910001562 pearlite Inorganic materials 0.000 claims description 5
- 238000007670 refining Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 30
- 239000010959 steel Substances 0.000 description 30
- 230000003287 optical effect Effects 0.000 description 10
- 229910001208 Crucible steel Inorganic materials 0.000 description 8
- 235000019362 perlite Nutrition 0.000 description 8
- 239000010451 perlite Substances 0.000 description 8
- 229910000975 Carbon steel Inorganic materials 0.000 description 7
- 230000009466 transformation Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000010962 carbon steel Substances 0.000 description 5
- 239000010955 niobium Substances 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910018540 Si C Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001568 polygonal ferrite Inorganic materials 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
-
- 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
-
- 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
- C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
- C21D8/0215—Rapid solidification; Thin strip casting
-
- 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
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—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 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
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
-
- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/009—Pearlite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Continuous Casting (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITRM97A000367 | 1997-06-19 | ||
| IT97RM000367A IT1291931B1 (it) | 1997-06-19 | 1997-06-19 | Procedimento per la produzione di nastri grezzi di colaggio in acciaio a basso contenuto di carbonio e nastri cosi' ottenibili |
| PCT/IT1998/000168 WO1998057767A1 (en) | 1997-06-19 | 1998-06-19 | Continuous casting process for producing low carbon steel strips and strips so obtainable with good as cast mechanical properties |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2294333A1 CA2294333A1 (en) | 1998-12-23 |
| CA2294333C true CA2294333C (en) | 2004-10-05 |
Family
ID=11405132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002294333A Expired - Fee Related CA2294333C (en) | 1997-06-19 | 1998-06-19 | Continuous casting process for producing low carbon steel strips and strips so obtainable with good as cast mechanical properties |
Country Status (22)
| Country | Link |
|---|---|
| US (1) | US6502626B1 (instruction) |
| EP (1) | EP1007248B1 (instruction) |
| JP (1) | JP3522770B2 (instruction) |
| KR (1) | KR20010013946A (instruction) |
| CN (1) | CN1244422C (instruction) |
| AT (1) | ATE313402T1 (instruction) |
| AU (1) | AU744196B2 (instruction) |
| BR (1) | BR9810193A (instruction) |
| CA (1) | CA2294333C (instruction) |
| CZ (1) | CZ293823B6 (instruction) |
| DE (1) | DE69832886T2 (instruction) |
| ES (1) | ES2255731T3 (instruction) |
| HU (1) | HU222856B1 (instruction) |
| IT (1) | IT1291931B1 (instruction) |
| MY (1) | MY120045A (instruction) |
| PL (1) | PL186657B1 (instruction) |
| RU (1) | RU2212976C2 (instruction) |
| SK (1) | SK285274B6 (instruction) |
| TR (1) | TR199903146T2 (instruction) |
| UA (1) | UA61113C2 (instruction) |
| WO (1) | WO1998057767A1 (instruction) |
| ZA (1) | ZA985359B (instruction) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPP811399A0 (en) * | 1999-01-12 | 1999-02-04 | Bhp Steel (Jla) Pty Limited | Cold rolled steel |
| AUPP964499A0 (en) * | 1999-04-08 | 1999-04-29 | Bhp Steel (Jla) Pty Limited | Casting strip |
| DE10046181C2 (de) * | 2000-09-19 | 2002-08-01 | Krupp Thyssen Nirosta Gmbh | Verfahren zum Herstellen eines überwiegend aus Mn-Austenit bestehenden Stahlbands oder -blechs |
| US6675869B2 (en) * | 2000-09-29 | 2004-01-13 | Nucor Corporation | Production of thin steel strip |
| AUPR047900A0 (en) * | 2000-09-29 | 2000-10-26 | Bhp Steel (Jla) Pty Limited | A method of producing steel |
| AUPR046000A0 (en) * | 2000-10-02 | 2000-10-26 | Bhp Steel (Jla) Pty Limited | A method of producing steel strip |
| CA2421668C (en) * | 2000-09-29 | 2012-02-07 | Nucor Corporation | Method of providing steel strip to order |
| US7591917B2 (en) | 2000-10-02 | 2009-09-22 | Nucor Corporation | Method of producing steel strip |
| DE10060948C2 (de) * | 2000-12-06 | 2003-07-31 | Thyssenkrupp Stahl Ag | Verfahren zum Erzeugen eines Warmbandes aus einem einen hohen Mangan-Gehalt aufweisenden Stahl |
| BRPI0212499B1 (pt) * | 2001-09-14 | 2015-12-08 | Nucor Corp | processo para produzir tira de aço por lingotamento contínuo e tira de aço fina produzida pelo mesmo |
| US7485196B2 (en) * | 2001-09-14 | 2009-02-03 | Nucor Corporation | Steel product with a high austenite grain coarsening temperature |
| AU2004279474B2 (en) | 2003-10-10 | 2010-05-27 | Nucor Corporation | Casting steel strip |
| US20060124271A1 (en) * | 2004-12-13 | 2006-06-15 | Mark Schlichting | Method of controlling the formation of crocodile skin surface roughness on thin cast strip |
| US9149868B2 (en) | 2005-10-20 | 2015-10-06 | Nucor Corporation | Thin cast strip product with microalloy additions, and method for making the same |
| US9999918B2 (en) | 2005-10-20 | 2018-06-19 | Nucor Corporation | Thin cast strip product with microalloy additions, and method for making the same |
| US10071416B2 (en) * | 2005-10-20 | 2018-09-11 | Nucor Corporation | High strength thin cast strip product and method for making the same |
| JP4203508B2 (ja) * | 2006-03-08 | 2009-01-07 | 株式会社神戸製鋼所 | アルミニウム合金鋳造板の製造方法 |
| AT504225B1 (de) * | 2006-09-22 | 2008-10-15 | Siemens Vai Metals Tech Gmbh | Verfahren zur herstellung eines stahlbandes |
| EP2152451B1 (en) * | 2007-05-06 | 2020-02-26 | Nucor Corporation | A thin cast strip product with microalloy additions, and method for making the same |
| CN105543687B (zh) * | 2007-05-06 | 2018-05-29 | 纽科尔公司 | 具有微合金添加剂的薄铸造带材产品及其制造方法 |
| US20100215981A1 (en) * | 2009-02-20 | 2010-08-26 | Nucor Corporation | Hot rolled thin cast strip product and method for making the same |
| WO2011100798A1 (en) | 2010-02-20 | 2011-08-25 | Bluescope Steel Limited | Nitriding of niobium steel and product made thereby |
| CN102398003B (zh) * | 2010-09-16 | 2015-01-21 | 攀钢集团钢铁钒钛股份有限公司 | 一种连铸用结晶器保护渣以及中低碳钢圆坯连铸的方法 |
| RU2455105C1 (ru) * | 2011-05-12 | 2012-07-10 | Открытое акционерное общество "Магнитогорский металлургический комбинат" | Способ производства толстолистового проката из свариваемой хромомарганцевой стали |
| CN102837945B (zh) * | 2012-09-26 | 2015-12-16 | 贵州宏狮煤机制造有限公司 | 一种刮板机机尾滚筒 |
| CN104164619B (zh) * | 2014-08-29 | 2016-05-04 | 东北大学 | 一种无屈服平台的低碳钢钢板的短流程制造方法 |
| CN104959561B (zh) * | 2015-07-09 | 2017-12-01 | 东北大学 | 一种提高双辊连铸低碳微合金钢针状铁素体含量的方法 |
| CN104962829B (zh) * | 2015-07-09 | 2017-06-20 | 东北大学 | 一种含针状铁素体的双辊连铸低碳微合金钢及其制造方法 |
| KR101941877B1 (ko) * | 2015-09-24 | 2019-01-25 | (주)포스코 | 주편의 연속 주조 방법 |
| WO2018152738A1 (zh) * | 2017-02-23 | 2018-08-30 | 普锐特冶金技术日本有限公司 | 薄板连续铸造装置 |
| CN113976847A (zh) * | 2021-10-29 | 2022-01-28 | 中天钢铁集团有限公司 | 一种改善低碳钢小方坯中心缩孔和裂纹的生产方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE81042T1 (de) * | 1988-07-14 | 1992-10-15 | Thyssen Stahl Ag | Verfahren zum herstellen eines stahlbandes mit einer dicke von weniger als 10 mm. |
| JPH06271984A (ja) * | 1993-03-22 | 1994-09-27 | Nippon Steel Corp | 耐疲労伝播特性とアレスト性の優れた鋼板およびその製造方法 |
| JPH06335706A (ja) * | 1993-05-26 | 1994-12-06 | Nippon Steel Corp | 表面品質の優れた熱延鋼板の製造方法 |
| JPH09504740A (ja) | 1993-11-08 | 1997-05-13 | 石川島播磨重工業株式会社 | 鋳造鋼ストリップ |
| JPH07197195A (ja) * | 1993-12-28 | 1995-08-01 | Nkk Corp | 耐時効性に優れた鋼材およびその製造方法 |
| BR9505866A (pt) * | 1994-03-25 | 1996-02-21 | Nippon Steel Corp | Processo para peodução de tira fundida delgada |
| EP0707908B1 (en) * | 1994-04-04 | 2001-11-28 | Nippon Steel Corporation | Twin-roll type continuous casting method |
| JP2792834B2 (ja) | 1995-04-18 | 1998-09-03 | 新日本製鐵株式会社 | 薄鋳帯からの強度５００ＭＰａ 以下の炭素鋼薄鋼帯の製造方法 |
| JPH09122839A (ja) * | 1995-08-29 | 1997-05-13 | Mitsubishi Heavy Ind Ltd | 薄帯鋼板の製造方法 |
-
1997
- 1997-06-19 IT IT97RM000367A patent/IT1291931B1/it active IP Right Grant
-
1998
- 1998-06-18 MY MYPI98002724A patent/MY120045A/en unknown
- 1998-06-19 JP JP50410099A patent/JP3522770B2/ja not_active Expired - Fee Related
- 1998-06-19 HU HU0004812A patent/HU222856B1/hu not_active IP Right Cessation
- 1998-06-19 BR BR9810193-5A patent/BR9810193A/pt not_active IP Right Cessation
- 1998-06-19 PL PL98337500A patent/PL186657B1/pl not_active IP Right Cessation
- 1998-06-19 AU AU79314/98A patent/AU744196B2/en not_active Ceased
- 1998-06-19 RU RU2000101274/02A patent/RU2212976C2/ru not_active IP Right Cessation
- 1998-06-19 DE DE69832886T patent/DE69832886T2/de not_active Expired - Lifetime
- 1998-06-19 US US09/446,242 patent/US6502626B1/en not_active Expired - Lifetime
- 1998-06-19 EP EP98929636A patent/EP1007248B1/en not_active Revoked
- 1998-06-19 WO PCT/IT1998/000168 patent/WO1998057767A1/en active IP Right Grant
- 1998-06-19 UA UA2000010303A patent/UA61113C2/uk unknown
- 1998-06-19 CA CA002294333A patent/CA2294333C/en not_active Expired - Fee Related
- 1998-06-19 ZA ZA985359A patent/ZA985359B/xx unknown
- 1998-06-19 TR TR1999/03146T patent/TR199903146T2/xx unknown
- 1998-06-19 CZ CZ19994650A patent/CZ293823B6/cs not_active IP Right Cessation
- 1998-06-19 ES ES98929636T patent/ES2255731T3/es not_active Expired - Lifetime
- 1998-06-19 CN CNB988063301A patent/CN1244422C/zh not_active Expired - Fee Related
- 1998-06-19 KR KR1019997011971A patent/KR20010013946A/ko not_active Ceased
- 1998-06-19 SK SK1814-99A patent/SK285274B6/sk not_active IP Right Cessation
- 1998-06-19 AT AT98929636T patent/ATE313402T1/de active
Also Published As
| Publication number | Publication date |
|---|---|
| EP1007248A1 (en) | 2000-06-14 |
| PL337500A1 (en) | 2000-08-28 |
| TR199903146T2 (xx) | 2000-07-21 |
| BR9810193A (pt) | 2000-08-08 |
| ES2255731T3 (es) | 2006-07-01 |
| CZ293823B6 (cs) | 2004-08-18 |
| ITRM970367A0 (instruction) | 1997-06-19 |
| CZ9904650A3 (cs) | 2000-10-11 |
| HUP0004812A3 (en) | 2001-07-30 |
| EP1007248B1 (en) | 2005-12-21 |
| ATE313402T1 (de) | 2006-01-15 |
| IT1291931B1 (it) | 1999-01-21 |
| AU744196B2 (en) | 2002-02-21 |
| SK285274B6 (sk) | 2006-10-05 |
| DE69832886T2 (de) | 2006-08-24 |
| MY120045A (en) | 2005-08-30 |
| CN1260740A (zh) | 2000-07-19 |
| HU222856B1 (hu) | 2003-12-29 |
| JP3522770B2 (ja) | 2004-04-26 |
| US6502626B1 (en) | 2003-01-07 |
| AU7931498A (en) | 1999-01-04 |
| JP2001502974A (ja) | 2001-03-06 |
| UA61113C2 (en) | 2003-11-17 |
| KR20010013946A (ko) | 2001-02-26 |
| RU2212976C2 (ru) | 2003-09-27 |
| ITRM970367A1 (it) | 1998-12-19 |
| CA2294333A1 (en) | 1998-12-23 |
| WO1998057767A1 (en) | 1998-12-23 |
| ZA985359B (en) | 1999-02-23 |
| CN1244422C (zh) | 2006-03-08 |
| DE69832886D1 (de) | 2006-01-26 |
| SK181499A3 (en) | 2001-03-12 |
| HUP0004812A2 (hu) | 2001-05-28 |
| PL186657B1 (pl) | 2004-02-27 |
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