EG22915A - Ultra-high strength ausaged steels with excellent cryogenic temperature toughness - Google Patents
Ultra-high strength ausaged steels with excellent cryogenic temperature toughnessInfo
- Publication number
- EG22915A EG22915A EG71198A EG71198A EG22915A EG 22915 A EG22915 A EG 22915A EG 71198 A EG71198 A EG 71198A EG 71198 A EG71198 A EG 71198A EG 22915 A EG22915 A EG 22915A
- Authority
- EG
- Egypt
- Prior art keywords
- ultra
- high strength
- temperature toughness
- cryogenic temperature
- excellent cryogenic
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title 1
- 239000010959 steel Substances 0.000 title 1
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 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
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/001—Heat treatment of ferrous alloys containing Ni
-
- 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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
-
- 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
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
- C21D1/20—Isothermal quenching, e.g. bainitic hardening
-
- 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
- C21D2211/001—Austenite
-
- 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
- C21D2211/002—Bainite
-
- 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
- C21D2211/008—Martensite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Metal Rolling (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Laminated Bodies (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6825297P | 1997-12-19 | 1997-12-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
EG22915A true EG22915A (en) | 2003-11-30 |
Family
ID=22081370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EG71198A EG22915A (en) | 1997-12-19 | 1998-06-20 | Ultra-high strength ausaged steels with excellent cryogenic temperature toughness |
Country Status (44)
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6254698B1 (en) * | 1997-12-19 | 2001-07-03 | Exxonmobile Upstream Research Company | Ultra-high strength ausaged steels with excellent cryogenic temperature toughness and method of making thereof |
TW436597B (en) * | 1997-12-19 | 2001-05-28 | Exxon Production Research Co | Process components, containers, and pipes suitable for containign and transporting cryogenic temperature fluids |
KR100679898B1 (ko) * | 2000-02-29 | 2007-02-07 | 아사히 가라스 가부시키가이샤 | 불소함유 화합물 및 발수발유제 조성물 |
US6852175B2 (en) * | 2001-11-27 | 2005-02-08 | Exxonmobil Upstream Research Company | High strength marine structures |
US7438477B2 (en) * | 2001-11-29 | 2008-10-21 | Ntn Corporation | Bearing part, heat treatment method thereof, and rolling bearing |
EP1411142B1 (en) * | 2002-10-17 | 2006-03-08 | Ntn Corporation | Full-type rolling bearing and roller cam follower for engine |
FR2847270B1 (fr) * | 2002-11-19 | 2004-12-24 | Usinor | Procede pour fabriquer une tole en acier resistant a l'abrasion et tole obtenue |
FR2847271B1 (fr) * | 2002-11-19 | 2004-12-24 | Usinor | Procede pour fabriquer une tole en acier resistant a l'abrasion et tole obtenue |
JP4718781B2 (ja) * | 2003-02-28 | 2011-07-06 | Ntn株式会社 | トランスミッションの構成部品および円錐ころ軸受 |
US7334943B2 (en) * | 2003-02-28 | 2008-02-26 | Ntn Corporation | Differential support structure, differential's component, method of manufacturing differential support structure, and method of manufacturing differential's component |
JP2004301321A (ja) * | 2003-03-14 | 2004-10-28 | Ntn Corp | オルタネータ用軸受およびプーリ用軸受 |
JP4152283B2 (ja) * | 2003-08-29 | 2008-09-17 | Ntn株式会社 | 軸受部品の熱処理方法 |
US7736447B2 (en) | 2003-12-19 | 2010-06-15 | Nippon Steel Corporation | Steel plates for ultra-high-strength linepipes and ultra-high-strength linepipes having excellent low-temperature toughness and manufacturing methods thereof |
US7594762B2 (en) | 2004-01-09 | 2009-09-29 | Ntn Corporation | Thrust needle roller bearing, support structure receiving thrust load of compressor for car air-conditioner, support structure receiving thrust load of automatic transmission, support structure for continuously variable transmission, and support structure receivin |
JP4540351B2 (ja) * | 2004-01-15 | 2010-09-08 | Ntn株式会社 | 鋼の熱処理方法および軸受部品の製造方法 |
CN100350065C (zh) * | 2004-12-08 | 2007-11-21 | 鞍钢股份有限公司 | 高抗拉强度低碳贝氏体厚钢板及其生产方法 |
CN100343408C (zh) * | 2004-12-08 | 2007-10-17 | 鞍钢股份有限公司 | 高抗拉强度高韧性低屈强比贝氏体钢及其生产方法 |
CN100350066C (zh) * | 2004-12-08 | 2007-11-21 | 鞍钢股份有限公司 | 高强韧性低碳贝氏体厚钢板及其生产方法 |
US7214278B2 (en) * | 2004-12-29 | 2007-05-08 | Mmfx Technologies Corporation | High-strength four-phase steel alloys |
CN1296509C (zh) * | 2005-03-10 | 2007-01-24 | 武汉钢铁(集团)公司 | 高强度易焊接时效硬化钢及其生产方法 |
CN100372962C (zh) * | 2005-03-30 | 2008-03-05 | 宝山钢铁股份有限公司 | 屈服强度1100Mpa以上超高强度钢板及其制造方法 |
JP2007046717A (ja) * | 2005-08-10 | 2007-02-22 | Ntn Corp | ジョイント用爪付き転動軸 |
CN101191174B (zh) * | 2006-11-20 | 2010-05-12 | 宝山钢铁股份有限公司 | 抗拉强度750MPa级热轧相变诱发塑性钢及制造方法 |
CA2844718C (en) * | 2009-01-30 | 2017-06-27 | Jfe Steel Corporation | Thick high-tensile-strength hot-rolled steel sheet having excellent low-temperature toughness and manufacturing method thereof |
EP2392681B1 (en) * | 2009-01-30 | 2019-03-13 | JFE Steel Corporation | Heavy gauge, high tensile strength, hot rolled steel sheet with excellent hic resistance and manufacturing method therefor |
CN102021489A (zh) * | 2009-09-15 | 2011-04-20 | 鞍钢股份有限公司 | 一种易焊接时效高强度钢及其热处理工艺 |
JP5126326B2 (ja) * | 2010-09-17 | 2013-01-23 | Jfeスチール株式会社 | 耐疲労特性に優れた高強度熱延鋼板およびその製造方法 |
CN102011061A (zh) * | 2010-11-05 | 2011-04-13 | 钢铁研究总院 | 一种高性能含Cu钢及其热处理工艺 |
KR101271974B1 (ko) * | 2010-11-19 | 2013-06-07 | 주식회사 포스코 | 극저온 인성이 우수한 고강도 강재 및 그 제조방법 |
DE102010056264C5 (de) * | 2010-12-24 | 2020-04-09 | Voestalpine Stahl Gmbh | Verfahren zum Erzeugen gehärteter Bauteile |
BR112013017180A2 (pt) * | 2011-01-28 | 2016-09-20 | Exxonmobil Upstream Res Co | metais de solda de alta dureza com superior resistência ao rasgamento dúctil |
JP5348268B2 (ja) * | 2012-03-07 | 2013-11-20 | Jfeスチール株式会社 | 成形性に優れる高強度冷延鋼板およびその製造方法 |
CN103215420B (zh) * | 2012-12-31 | 2015-02-04 | 西安石油大学 | 一种大变形管线钢双相组织的获取方法 |
WO2014171427A1 (ja) | 2013-04-15 | 2014-10-23 | 新日鐵住金株式会社 | 熱延鋼板 |
KR101523229B1 (ko) * | 2013-11-28 | 2015-05-28 | 한국생산기술연구원 | 저온 특성이 향상된 금속 재료 및 그 제조방법 |
WO2015088523A1 (en) | 2013-12-11 | 2015-06-18 | ArcelorMittal Investigación y Desarrollo, S.L. | Cold rolled and annealed steel sheet |
EP2905348B1 (de) | 2014-02-07 | 2019-09-04 | ThyssenKrupp Steel Europe AG | Hochfestes Stahlflachprodukt mit bainitisch-martensitischem Gefüge und Verfahren zur Herstellung eines solchen Stahlflachprodukts |
EP3260565B1 (en) | 2015-02-20 | 2019-07-31 | Nippon Steel Corporation | Hot-rolled steel sheet |
WO2016132549A1 (ja) | 2015-02-20 | 2016-08-25 | 新日鐵住金株式会社 | 熱延鋼板 |
WO2016135898A1 (ja) | 2015-02-25 | 2016-09-01 | 新日鐵住金株式会社 | 熱延鋼板 |
EP3263729B1 (en) | 2015-02-25 | 2019-11-20 | Nippon Steel Corporation | Hot-rolled steel sheet |
KR102186320B1 (ko) | 2016-08-05 | 2020-12-03 | 닛폰세이테츠 가부시키가이샤 | 강판 및 도금 강판 |
JP6358406B2 (ja) | 2016-08-05 | 2018-07-18 | 新日鐵住金株式会社 | 鋼板及びめっき鋼板 |
PL3585916T3 (pl) | 2017-02-27 | 2021-05-04 | Nucor Corporation | Cykl termiczny do rozdrabniania ziaren austenitu |
CN110574228B (zh) | 2017-04-11 | 2022-01-28 | 惠普发展公司,有限责任合伙企业 | 用于显示面板的框架中的天线 |
CN110157867B (zh) * | 2019-04-29 | 2020-09-18 | 中国科学院金属研究所 | 一种大尺寸CrMo钢构件中白色异常组织的控制方法 |
CN110230001B (zh) * | 2019-07-29 | 2020-07-03 | 东北大学 | 一种具有高塑性的超高强度弹簧钢及其制备方法 |
CN110628993A (zh) * | 2019-10-16 | 2019-12-31 | 武汉钢铁集团鄂城钢铁有限责任公司 | 一种HB460MPa级高强度高韧性抗火切裂纹耐磨钢及其生产方法 |
CN111286585B (zh) * | 2020-03-19 | 2022-02-08 | 紫荆浆体管道工程股份公司 | 一种超级贝氏体钢及其制备方法 |
CN117403145B (zh) * | 2023-10-07 | 2024-06-11 | 清华大学 | 增材制造的超高强度钢及其制备方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4512135A (en) * | 1982-06-12 | 1985-04-23 | The Mead Corporation | Locking mechanism for wrap-around cartons |
JPS5913055A (ja) * | 1982-07-13 | 1984-01-23 | Sumitomo Metal Ind Ltd | ステンレス鋼およびその製造方法 |
NL193218C (nl) * | 1985-08-27 | 1999-03-03 | Nisshin Steel Company | Werkwijze voor de bereiding van roestvrij staal. |
JPS636284A (ja) * | 1986-06-26 | 1988-01-12 | Nachi Fujikoshi Corp | 多段ステツプ流体制御弁 |
JPS6362843A (ja) * | 1986-09-03 | 1988-03-19 | Kobe Steel Ltd | 電気亜鉛めつきした高強度ベ−リングフ−プ |
JP2510783B2 (ja) * | 1990-11-28 | 1996-06-26 | 新日本製鐵株式会社 | 低温靭性の優れたクラッド鋼板の製造方法 |
US5454883A (en) | 1993-02-02 | 1995-10-03 | Nippon Steel Corporation | High toughness low yield ratio, high fatigue strength steel plate and process of producing same |
JP3550726B2 (ja) | 1994-06-03 | 2004-08-04 | Jfeスチール株式会社 | 低温靱性に優れた高張力鋼の製造方法 |
US5545269A (en) | 1994-12-06 | 1996-08-13 | Exxon Research And Engineering Company | Method for producing ultra high strength, secondary hardening steels with superior toughness and weldability |
US5545270A (en) | 1994-12-06 | 1996-08-13 | Exxon Research And Engineering Company | Method of producing high strength dual phase steel plate with superior toughness and weldability |
US5900075A (en) | 1994-12-06 | 1999-05-04 | Exxon Research And Engineering Co. | Ultra high strength, secondary hardening steels with superior toughness and weldability |
US5531842A (en) | 1994-12-06 | 1996-07-02 | Exxon Research And Engineering Company | Method of preparing a high strength dual phase steel plate with superior toughness and weldability (LAW219) |
JPH08176659A (ja) | 1994-12-20 | 1996-07-09 | Sumitomo Metal Ind Ltd | 低降伏比高張力鋼の製造方法 |
KR100206151B1 (ko) * | 1995-01-26 | 1999-07-01 | 다나카 미노루 | 저온인성이 뛰어난 용접성 고장력강 |
CA2187028C (en) | 1995-02-03 | 2001-07-31 | Hiroshi Tamehiro | High strength line pipe steel having low yield ratio and excellent low temperature toughness |
JP3314295B2 (ja) | 1995-04-26 | 2002-08-12 | 新日本製鐵株式会社 | 低温靱性に優れた厚鋼板の製造方法 |
JP3423490B2 (ja) * | 1995-06-30 | 2003-07-07 | 東京電力株式会社 | ゴム・プラスチック電力ケ−ブル用接続部 |
JPH09235617A (ja) * | 1996-02-29 | 1997-09-09 | Sumitomo Metal Ind Ltd | 継目無鋼管の製造方法 |
FR2745587B1 (fr) * | 1996-03-01 | 1998-04-30 | Creusot Loire | Acier utilisable notamment pour la fabrication de moules pour injection de matiere plastique |
-
1998
- 1998-06-17 TW TW087109696A patent/TW454040B/zh not_active IP Right Cessation
- 1998-06-17 DZ DZ980140A patent/DZ2530A1/xx active
- 1998-06-18 PL PL98341292A patent/PL341292A1/xx unknown
- 1998-06-18 EP EP98934146A patent/EP1047798A4/en not_active Withdrawn
- 1998-06-18 ID IDW20001390A patent/ID25499A/id unknown
- 1998-06-18 US US09/099,153 patent/US6251198B1/en not_active Expired - Fee Related
- 1998-06-18 DE DE19882880T patent/DE19882880B4/de not_active Expired - Fee Related
- 1998-06-18 KR KR10-2000-7006833A patent/KR100519874B1/ko not_active IP Right Cessation
- 1998-06-18 BR BR9813689-5A patent/BR9813689A/pt not_active IP Right Cessation
- 1998-06-18 NZ NZ505338A patent/NZ505338A/en unknown
- 1998-06-18 CN CN98812446A patent/CN1098358C/zh not_active Expired - Fee Related
- 1998-06-18 SK SK869-2000A patent/SK8692000A3/sk unknown
- 1998-06-18 RO ROA200000628A patent/RO120413B1/ro unknown
- 1998-06-18 CO CO98034681A patent/CO5060436A1/es unknown
- 1998-06-18 PE PE1998000527A patent/PE89299A1/es not_active Application Discontinuation
- 1998-06-18 RU RU2000119125/02A patent/RU2203330C2/ru not_active IP Right Cessation
- 1998-06-18 GB GB0013634A patent/GB2346895B/en not_active Expired - Fee Related
- 1998-06-18 GE GEAP19985470A patent/GEP20043271B/en unknown
- 1998-06-18 WO PCT/US1998/012705 patent/WO1999032670A1/en not_active Application Discontinuation
- 1998-06-18 YU YU37600A patent/YU37600A/sh unknown
- 1998-06-18 TR TR2000/01796T patent/TR200001796T2/xx unknown
- 1998-06-18 HU HU0101606A patent/HU224520B1/hu not_active IP Right Cessation
- 1998-06-18 ES ES200050042A patent/ES2181566B1/es not_active Expired - Fee Related
- 1998-06-18 CA CA002316970A patent/CA2316970C/en not_active Expired - Fee Related
- 1998-06-18 AT AT0915398A patent/AT409267B/de not_active IP Right Cessation
- 1998-06-18 TN TNTNSN98100A patent/TNSN98100A1/fr unknown
- 1998-06-18 UA UA2000074219A patent/UA59425C2/uk unknown
- 1998-06-18 JP JP2000525584A patent/JP2001527153A/ja active Pending
- 1998-06-18 AU AU83739/98A patent/AU739791B2/en not_active Ceased
- 1998-06-18 IL IL13684398A patent/IL136843A/en not_active IP Right Cessation
- 1998-06-18 ZA ZA9805321A patent/ZA985321B/xx unknown
- 1998-06-18 CH CH01229/00A patent/CH695315A5/de not_active IP Right Cessation
- 1998-06-18 SI SI9820088A patent/SI20276A/sl not_active IP Right Cessation
- 1998-06-18 HR HR980345A patent/HRP980345B1/xx not_active IP Right Cessation
- 1998-06-19 AR ARP980102965A patent/AR013109A1/es unknown
- 1998-06-20 MY MYPI98002811A patent/MY119642A/en unknown
- 1998-06-20 EG EG71198A patent/EG22915A/xx active
- 1998-10-25 GC GCP199823 patent/GC0000036A/xx active
-
2000
- 2000-06-15 OA OA1200000171A patent/OA11424A/en unknown
- 2000-06-16 SE SE0002244A patent/SE523757C2/sv not_active IP Right Cessation
- 2000-06-16 DK DK200000938A patent/DK175995B1/da not_active IP Right Cessation
- 2000-06-16 FI FI20001440A patent/FI112380B/fi not_active IP Right Cessation
- 2000-06-19 NO NO20003174A patent/NO20003174L/no not_active Application Discontinuation
- 2000-07-18 BG BG104624A patent/BG104624A/xx unknown
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