KR20030055303A - 냉간압연된 마레이징 강 띠강판에서 절삭된 띠강판 혹은부품을 제조하는 방법 - Google Patents
냉간압연된 마레이징 강 띠강판에서 절삭된 띠강판 혹은부품을 제조하는 방법 Download PDFInfo
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- KR20030055303A KR20030055303A KR10-2003-7006549A KR20037006549A KR20030055303A KR 20030055303 A KR20030055303 A KR 20030055303A KR 20037006549 A KR20037006549 A KR 20037006549A KR 20030055303 A KR20030055303 A KR 20030055303A
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- strip
- steel sheet
- steel
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- 229910001240 Maraging steel Inorganic materials 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000010419 fine particle Substances 0.000 claims abstract description 9
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 9
- 238000005097 cold rolling Methods 0.000 claims abstract description 8
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 6
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 5
- 238000001953 recrystallisation Methods 0.000 claims abstract description 5
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 5
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 4
- 238000013007 heat curing Methods 0.000 claims abstract 10
- 238000001723 curing Methods 0.000 claims description 10
- 238000005121 nitriding Methods 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 229910000760 Hardened steel Inorganic materials 0.000 claims 1
- 239000000470 constituent Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 29
- 229910052750 molybdenum Inorganic materials 0.000 description 15
- 239000011733 molybdenum Substances 0.000 description 14
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 12
- 239000010936 titanium Substances 0.000 description 10
- 229910017052 cobalt Inorganic materials 0.000 description 7
- 239000010941 cobalt Substances 0.000 description 7
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 7
- 229910052759 nickel Inorganic materials 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910000734 martensite Inorganic materials 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 238000001029 thermal curing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000010313 vacuum arc remelting Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 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
-
- 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
-
- 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
- C21D6/02—Hardening by precipitation
-
- 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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
-
- 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
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
- C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
-
- 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
- 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
- C21D2201/00—Treatment for obtaining particular effects
-
- 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
- C21D8/0236—Cold 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
- C21D8/0273—Final recrystallisation annealing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Articles (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
Claims (10)
- 냉간압연된 다음 열 경화처리로 경화된 마레이징 강 띠강판에서 절삭된 띠강판 혹은 조각의 제조 방법에 있어서,상기 열 경화처리를 실시하기 이전에, 30% 이상의 냉간압연율로 냉간소성변형을 가하고, ASTM 지수 8이상의 미세 입자를 얻어내도록 다시 달구어서 재결정을 일으키도록 하며,화학 조성은, 12%≤Ni≤24.5%, 2.5%≤Mo≤12%, 4.17%≤Co≤20%, Al%≤0.15%, Ti≤0.1%, N≤0.003%, Si≤0.1%, Mn≤0.1%, C≤0.005%, S≤0.001%, P≤0.005%, H≤0.0003%, O≤0.001%의 중량비를 나타내며,나머지 중량비는 철 자체와 제작과정에서 초래되는 불순물로,20%≤Ni+Mo≤27%, 50≤Co×Mo≤200, Ti×N≤2×10-4의 중량비를 나타내는 것을 특징으로 하는 냉간압연된 다음 열 경화처리로 경화된 마레이징 강 띠강판에서 절삭된 띠강판 혹은 부품의 제조 방법.
- 제 1항에 있어서, 재결정을 일으키도록 다시 달구어진 이후 띠강판 혹은 조각을 1%에서 10% 사이의 압축률로 냉간압연하는 것을 특징으로 하는 냉간압연된 다음 열 경화처리로 경화된 마레이징 강 띠강판에서 절삭된 띠강판 혹은 부품의 제조 방법.
- 제 1항 혹은 제 2항에 있어서, 마레이징 강철이 VAR 과정을 통해 진공상태에서 재용해되거나 아니면 1차로 VAR 과정을 통해 진공상태에서 혹은 ESR 과정을 통해 전자도체 슬러지상태에서 재용해된 다음 2차로 VAR 과정을 통해 재용해되는 것을 특징으로 하는 냉간압연된 다음 열 경화처리로 경화된 마레이징 강 띠강판에서 절삭된 띠강판 혹은 부품의 제조 방법.
- 제 1항 내지 3항 중 어느 한 항에 있어서, 450℃에서 550℃ 사이의 온도를 1시간 내지 10시간 유지함으로써 열 경화처리가 이루어지는 것을 특징으로 하는 냉간압연된 다음 열 경화처리로 경화된 마레이징 강 띠강판에서 절삭된 띠강판 혹은 부품의 제조 방법.
- 제 4항에 있어서, 열 경화처리 도중 혹은 그 이후, 질화처리를 통해 부품의 표면을 경화시키는 것을 특징으로 하는 냉간압연된 다음 열 경화처리로 경화된 마레이징 강 띠강판에서 절삭된 띠강판 혹은 부품의 제조 방법.
- 제 1항 내지 3항 중 어느 한 항에 있어서, 열 경화처리가 고로에서 600℃에서 700℃ 사이의 온도에서 30초에서 3분 사이의 시간 동안 실행되는 것을 특징으로 하는 냉간압연된 다음 열 경화처리로 경화된 마레이징 강 띠강판에서 절삭된 띠강판 혹은 부품의 제조 방법.
- 제 6항에 있어서, 열 경화처리 이후 질화처리를 통해 부품의 표면을 경화시키는 것을 특징으로 하는 냉간압연된 다음 열 경화처리로 경화된 마레이징 강 띠강판에서 절삭된 띠강판 혹은 부품의 제조 방법.
- 띠강철 및 부품을 이루는 강철이 ASTM 지수 8 이상의 미세 입자를 가지며,조성이, 12%≤Ni≤24.5%, 2.5%≤Mo≤12%, 4.17%≤Co≤20%, Al%≤0.15%, Ti≤0.1%, N≤0.003%, Si≤0.1%, Mn≤0.1%, C≤0.005%, S≤0.001%, P≤0.005%, H≤0.0003%, O≤0.001%의 중량비를 가지며,나머지 중량비는 철 자체와 제작과정에서 초래되는 불순물로 20%≤Ni+Mo≤27%, 50≤Co×Mo≤200, Ti×N≤2×10-4를 이루며,경화 후 1850MPa 이상의 탄성한계를 갖는 것을 특징으로 하는 마레이징 강으로 된 두께 1mm 미만의 띠강철 혹은 조각.
- 제 8항에 따른, 띠강철 혹은 조각을 포함하는 트랜스미션 벨트.
- 제 1항에 따른 방법으로 제작된 부품으로 이루어진 집적회로의 서포트 그리드.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0014807A FR2816959B1 (fr) | 2000-11-17 | 2000-11-17 | Procede pour fabriquer une bande ou une piece decoupee dans une bande en acier maraging laminee a froid |
FR00/14807 | 2000-11-17 | ||
PCT/FR2001/003595 WO2002040722A1 (fr) | 2000-11-17 | 2001-11-16 | Procede pour fabriquer une bande ou une piece decoupee dans une bande en acier maraging laminee a froid |
Related Child Applications (1)
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KR1020087009332A Division KR20080048544A (ko) | 2000-11-17 | 2001-11-16 | 냉간압연된 마레이징 강 띠강판에서 절삭된 띠강판 또는부품을 제조하는 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20030055303A true KR20030055303A (ko) | 2003-07-02 |
KR100884639B1 KR100884639B1 (ko) | 2009-02-23 |
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KR1020037006549A KR100884639B1 (ko) | 2000-11-17 | 2001-11-16 | 냉간압연된 마레이징 강 띠강판에서 절삭된 띠강판 또는 부품을 제조하는 방법 |
KR1020087009332A KR20080048544A (ko) | 2000-11-17 | 2001-11-16 | 냉간압연된 마레이징 강 띠강판에서 절삭된 띠강판 또는부품을 제조하는 방법 |
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KR1020087009332A KR20080048544A (ko) | 2000-11-17 | 2001-11-16 | 냉간압연된 마레이징 강 띠강판에서 절삭된 띠강판 또는부품을 제조하는 방법 |
Country Status (16)
Country | Link |
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US (1) | US6663730B2 (ko) |
EP (1) | EP1339880B1 (ko) |
JP (2) | JP4278378B2 (ko) |
KR (2) | KR100884639B1 (ko) |
CN (1) | CN1298869C (ko) |
AR (1) | AR034276A1 (ko) |
AT (1) | ATE366826T1 (ko) |
AU (1) | AU2002218382A1 (ko) |
CY (1) | CY1106925T1 (ko) |
DE (1) | DE60129350T2 (ko) |
DK (1) | DK1339880T3 (ko) |
ES (1) | ES2287187T3 (ko) |
FR (1) | FR2816959B1 (ko) |
PT (1) | PT1339880E (ko) |
TW (1) | TW539746B (ko) |
WO (1) | WO2002040722A1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20170139111A (ko) * | 2015-04-23 | 2017-12-18 | 아뻬랑 | 강, 상기 강으로 이루어진 제품, 및 이의 제조 방법 |
KR20180068983A (ko) * | 2015-10-15 | 2018-06-22 | 아뻬랑 | 강철, 상기 강철로 제조된 제품, 및 그 제조 방법 |
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Publication number | Priority date | Publication date | Assignee | Title |
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EP1826282B1 (en) | 2002-11-19 | 2010-01-20 | Hitachi Metals, Ltd. | Method of producing a maraging steel |
GB2406891B (en) * | 2003-10-07 | 2006-09-27 | Renold Plc | A transmission chain |
KR20120078757A (ko) * | 2007-07-11 | 2012-07-10 | 히타치 긴조쿠 가부시키가이샤 | 마레이징강 및 금속 벨트용 마레이징강 |
EP2412836B1 (en) * | 2009-03-26 | 2014-12-17 | Hitachi Metals, Ltd. | Maraging steel strip |
WO2014194880A2 (de) | 2013-06-07 | 2014-12-11 | VDM Metals GmbH | Verfahren zur herstellung einer metallfolie |
EP3004409B1 (de) | 2013-06-07 | 2017-08-09 | VDM Metals International GmbH | Verfahren zur herstellung einer metallfolie |
CN104197105A (zh) * | 2014-08-28 | 2014-12-10 | 安徽中臣机电装备科技有限公司 | 一种不锈钢钢管 |
NL1041468B1 (en) * | 2015-09-08 | 2017-03-22 | Bosch Gmbh Robert | Metal ring component of a drive belt for a continuously variable transmisson. |
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JP2019189927A (ja) * | 2018-04-27 | 2019-10-31 | トヨタ自動車株式会社 | 無端金属リング、及びその製造方法 |
RU2686706C1 (ru) * | 2018-06-01 | 2019-04-30 | Общество с ограниченной отвественностью "Лаборатория специальной металлургии" (ООО "Ласмет") | Мартенситностареющая высокопрочная сталь 01Н18К9М5Т |
CN113774289A (zh) * | 2021-08-25 | 2021-12-10 | 哈尔滨工程大学 | 一种2700MPa级高塑韧性高耐蚀马氏体时效不锈钢及其制备方法 |
CN115786813B (zh) * | 2022-11-09 | 2024-06-11 | 成都先进金属材料产业技术研究院股份有限公司 | 一种马氏体时效钢板材及其制备方法 |
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- 2001-11-16 KR KR1020087009332A patent/KR20080048544A/ko not_active Application Discontinuation
- 2001-11-16 TW TW090128454A patent/TW539746B/zh active
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170139111A (ko) * | 2015-04-23 | 2017-12-18 | 아뻬랑 | 강, 상기 강으로 이루어진 제품, 및 이의 제조 방법 |
KR20180068983A (ko) * | 2015-10-15 | 2018-06-22 | 아뻬랑 | 강철, 상기 강철로 제조된 제품, 및 그 제조 방법 |
Also Published As
Publication number | Publication date |
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KR20080048544A (ko) | 2008-06-02 |
DE60129350T2 (de) | 2008-03-13 |
JP4965502B2 (ja) | 2012-07-04 |
JP2008274436A (ja) | 2008-11-13 |
FR2816959B1 (fr) | 2003-08-01 |
EP1339880B1 (fr) | 2007-07-11 |
US6663730B2 (en) | 2003-12-16 |
PT1339880E (pt) | 2007-08-13 |
ES2287187T3 (es) | 2007-12-16 |
AU2002218382A1 (en) | 2002-05-27 |
CN1298869C (zh) | 2007-02-07 |
AR034276A1 (es) | 2004-02-18 |
WO2002040722A1 (fr) | 2002-05-23 |
CY1106925T1 (el) | 2012-09-26 |
KR100884639B1 (ko) | 2009-02-23 |
DK1339880T3 (da) | 2007-09-10 |
TW539746B (en) | 2003-07-01 |
US20020059967A1 (en) | 2002-05-23 |
EP1339880A1 (fr) | 2003-09-03 |
JP4278378B2 (ja) | 2009-06-10 |
ATE366826T1 (de) | 2007-08-15 |
DE60129350D1 (de) | 2007-08-23 |
FR2816959A1 (fr) | 2002-05-24 |
JP2004514056A (ja) | 2004-05-13 |
CN1630732A (zh) | 2005-06-22 |
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