CN1246579A - 蒸汽涡轮的异材焊接转子 - Google Patents
蒸汽涡轮的异材焊接转子 Download PDFInfo
- Publication number
- CN1246579A CN1246579A CN99107186A CN99107186A CN1246579A CN 1246579 A CN1246579 A CN 1246579A CN 99107186 A CN99107186 A CN 99107186A CN 99107186 A CN99107186 A CN 99107186A CN 1246579 A CN1246579 A CN 1246579A
- Authority
- CN
- China
- Prior art keywords
- rotor
- low
- temp
- welding
- steam turbine
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/26—Accessories for electrodes, e.g. ignition tips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/006—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
- F01D5/063—Welded rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/001—Turbines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
- B23K2103/05—Stainless steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims (3)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16060298 | 1998-06-09 | ||
JP160602/98 | 1998-06-09 | ||
JP160602/1998 | 1998-06-09 | ||
JP100908/1999 | 1999-04-08 | ||
JP100908/99 | 1999-04-08 | ||
JP10090899A JP3999402B2 (ja) | 1998-06-09 | 1999-04-08 | 蒸気タービンの異材溶接ロータ |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1246579A true CN1246579A (zh) | 2000-03-08 |
CN1209548C CN1209548C (zh) | 2005-07-06 |
Family
ID=26441849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB991071867A Expired - Lifetime CN1209548C (zh) | 1998-06-09 | 1999-06-09 | 蒸气涡轮的异材焊接转子 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6152697A (zh) |
EP (1) | EP0964135B1 (zh) |
JP (1) | JP3999402B2 (zh) |
KR (1) | KR100330520B1 (zh) |
CN (1) | CN1209548C (zh) |
DE (1) | DE69924561T2 (zh) |
ID (1) | ID23116A (zh) |
MY (1) | MY118953A (zh) |
SG (1) | SG87808A1 (zh) |
TW (1) | TW394812B (zh) |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1300445C (zh) * | 2003-12-26 | 2007-02-14 | 东方汽轮机厂 | 一种汽轮机高温叶片及其热处理工艺 |
CN100335747C (zh) * | 2002-12-05 | 2007-09-05 | 西门子公司 | 透平轴及其制造方法和应用 |
CN101713764A (zh) * | 2008-10-01 | 2010-05-26 | 阿尔斯托姆科技有限公司 | 转子盘焊缝检测方法及布置 |
CN101992356A (zh) * | 2009-08-25 | 2011-03-30 | 阿尔斯托姆科技有限公司 | 连接的涡轮转子构件及其方法 |
CN102031995A (zh) * | 2009-09-30 | 2011-04-27 | 通用电气公司 | 多合金涡轮机转子段、焊接涡轮机转子及其制造方法 |
US7946813B2 (en) | 2006-10-04 | 2011-05-24 | Kabushiki Kaisha Toshiba | Turbine rotor and steam turbine |
CN102086782A (zh) * | 2009-12-08 | 2011-06-08 | 阿尔斯托姆科技有限公司 | 蒸汽涡轮机转子 |
CN101790595B (zh) * | 2008-10-08 | 2011-09-21 | 三菱重工业株式会社 | 涡轮转子及涡轮转子的制造方法 |
CN101772586B (zh) * | 2008-06-18 | 2012-02-29 | 三菱重工业株式会社 | Ni基合金-高铬钢构造物及其制造方法 |
CN102606218A (zh) * | 2011-01-21 | 2012-07-25 | 通用电气公司 | 焊接转子、具有焊接转子的蒸汽轮机及焊接转子制造方法 |
CN102619569A (zh) * | 2011-01-21 | 2012-08-01 | 通用电气公司 | 焊接转子、具有焊接转子的蒸汽轮机及焊接转子制造方法 |
CN101765702B (zh) * | 2008-06-18 | 2013-05-15 | 三菱重工业株式会社 | 旋转机器的转子及其制造方法 |
CN103459779A (zh) * | 2011-03-23 | 2013-12-18 | 三菱重工业株式会社 | 涡轮转子及涡轮转子的制造方法 |
CN103510996A (zh) * | 2012-06-22 | 2014-01-15 | 株式会社日立制作所 | 涡轮转子及其制造方法和使用其的蒸汽涡轮发动机 |
CN103603693A (zh) * | 2013-12-05 | 2014-02-26 | 罗亚军 | 空心轴新动力发动机 |
CN104093521A (zh) * | 2012-02-06 | 2014-10-08 | 西门子公司 | 利用控制两个构件的成型部材料配合地连接所述构件的方法 |
CN106736300A (zh) * | 2017-01-10 | 2017-05-31 | 上海电气电站设备有限公司 | 由异种材料构成的涡轮转子的制造方法 |
CN107427949A (zh) * | 2015-03-23 | 2017-12-01 | 西门子公司 | 轴元件、用于制造由两种不同材料构成的轴元件的方法以及相应的流体机械 |
CN115044818A (zh) * | 2022-07-25 | 2022-09-13 | 华能国际电力股份有限公司 | 一种650°c及以上等级汽轮机用转子及其制备方法 |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2800124B1 (fr) | 1999-10-21 | 2004-03-19 | Toshiba Kk | Rotor combine de turbine a vapeur |
DE50208002D1 (de) * | 2002-07-01 | 2006-10-12 | Alstom Technology Ltd | Rotor für eine rotierende thermische Maschine sowie Verfahren zum Herstellen eines solchen Rotors |
DE10348424A1 (de) * | 2003-10-14 | 2005-05-19 | Alstom Technology Ltd | Geschweisster Rotor für eine thermische Maschine sowie Verfahren zur Herstellung eines solchen Rotors |
DE10348422B4 (de) * | 2003-10-14 | 2015-04-23 | Alstom Technology Ltd. | Thermisch belastetes Bauteil, sowie Verfahren zur Herstellung eines solchen Bauteils |
EP1577494A1 (de) * | 2004-03-17 | 2005-09-21 | Siemens Aktiengesellschaft | Geschweisste Turbinenwelle und Verfahren zur deren Herstellung |
DE102004027389A1 (de) * | 2004-06-04 | 2005-12-29 | Alstom Technology Ltd | Verfahren zum zerstörungsfreien Prüfen einer Schweissverbindung eines geschweissten Rotors sowie Anordnung zur Durchführung des Verfahrens |
GB2424453A (en) * | 2005-03-24 | 2006-09-27 | Alstom Technology Ltd | Steam turbine rotor |
US20060231531A1 (en) * | 2005-04-13 | 2006-10-19 | General Electric Company | Weld prep joint for electron beam or laser welding |
US7473475B1 (en) | 2005-05-13 | 2009-01-06 | Florida Turbine Technologies, Inc. | Blind weld configuration for a rotor disc assembly |
US7270512B2 (en) * | 2005-08-24 | 2007-09-18 | General Electric Company | Stacked steampath and grooved bucket wheels for steam turbines |
US7540713B1 (en) | 2005-08-26 | 2009-06-02 | Florida Turbine Technologies, Inc. | Threaded rotor assembly with a centrifugal lock |
JP2009520603A (ja) * | 2005-12-22 | 2009-05-28 | アルストム テクノロジー リミテッド | 低圧タービンにおける溶接されたロータの製造方法 |
US20070189894A1 (en) * | 2006-02-15 | 2007-08-16 | Thamboo Samuel V | Methods and apparatus for turbine engine rotors |
EP1837483A1 (de) * | 2006-03-20 | 2007-09-26 | Siemens Aktiengesellschaft | Geschweisste Welle für Strömungsmaschinen |
JP2007291966A (ja) * | 2006-04-26 | 2007-11-08 | Toshiba Corp | 蒸気タービンおよびタービンロータ |
JP4805728B2 (ja) * | 2006-05-31 | 2011-11-02 | 株式会社東芝 | 蒸気タービンロータ及び蒸気タービン |
JP2007332866A (ja) * | 2006-06-15 | 2007-12-27 | Toshiba Corp | 蒸気タービンロータおよび蒸気タービン |
DE102006033299A1 (de) * | 2006-07-17 | 2008-01-24 | Rolls-Royce Deutschland Ltd & Co Kg | Verfahren zur Reparatur eines in BLISK-Bauweise ausgeführten Verdichterrotors |
EP1898047A1 (de) * | 2006-09-07 | 2008-03-12 | Siemens Aktiengesellschaft | Optimierter Wellenkörper für Wellenschweissverbindungen, über Pulvermetallurgie hergestellt |
FR2935626B1 (fr) * | 2006-12-11 | 2014-02-14 | Mecastamp Internat | Procede de fabrication de pieces mecaniques elancees tournantes |
JP5049578B2 (ja) | 2006-12-15 | 2012-10-17 | 株式会社東芝 | 蒸気タービン |
CH700176B1 (de) * | 2007-03-02 | 2010-07-15 | Alstom Technology Ltd | Rotor für einen Generator. |
US7950146B2 (en) * | 2007-04-10 | 2011-05-31 | Siemens Energy, Inc. | Co-forged steel rotor component for steam and gas turbine engines |
US20090057287A1 (en) * | 2007-08-31 | 2009-03-05 | General Electric Company | Method and apparatus related to joining dissimilar metal |
US20090060735A1 (en) * | 2007-08-31 | 2009-03-05 | General Electric Company | Turbine rotor apparatus and system |
DE102007055379A1 (de) * | 2007-11-19 | 2009-05-20 | Alstom Technology Ltd. | Herstellungsprozess für einen Rotor |
JP4951488B2 (ja) * | 2007-12-17 | 2012-06-13 | 株式会社日立製作所 | 蒸気タービンロータ及びその製造方法 |
JP2010031812A (ja) * | 2008-07-31 | 2010-02-12 | Hitachi Ltd | タービンロータ |
JP4995317B2 (ja) * | 2008-08-11 | 2012-08-08 | 三菱重工業株式会社 | 低圧タービン用ロータ |
DE102009024580B4 (de) * | 2009-06-10 | 2011-03-24 | Siemens Aktiengesellschaft | Verbessertes Prüfverfahren für geschweißte Wellen |
JP2011069307A (ja) * | 2009-09-28 | 2011-04-07 | Hitachi Ltd | 蒸気タービンロータ、それを用いた蒸気タービン |
US8261444B2 (en) * | 2009-10-07 | 2012-09-11 | General Electric Company | Turbine rotor fabrication using cold spraying |
CH702191A1 (de) * | 2009-11-04 | 2011-05-13 | Alstom Technology Ltd | Geschweisster Rotor. |
US8944761B2 (en) * | 2011-01-21 | 2015-02-03 | General Electric Company | Welded rotor, a steam turbine having a welded rotor and a method for producing a welded rotor |
JP2012207594A (ja) | 2011-03-30 | 2012-10-25 | Mitsubishi Heavy Ind Ltd | 回転機械のロータ及び回転機械 |
JP5522802B2 (ja) | 2011-05-23 | 2014-06-18 | 株式会社日立製作所 | タービンロータ等の大型溶接構造物の異材溶接部材及びタービンロータ |
US8961144B2 (en) * | 2011-06-30 | 2015-02-24 | General Electric Company | Turbine disk preform, welded turbine rotor made therewith and methods of making the same |
JP5979859B2 (ja) | 2011-12-08 | 2016-08-31 | 三菱日立パワーシステムズ株式会社 | バックシールド溶接方法 |
US9039365B2 (en) | 2012-01-06 | 2015-05-26 | General Electric Company | Rotor, a steam turbine and a method for producing a rotor |
EP2708697A1 (en) * | 2012-09-17 | 2014-03-19 | Alstom Technology Ltd | Method of coupling two rotor sections and turbine rotor |
US20140137712A1 (en) * | 2012-11-20 | 2014-05-22 | General Electric Company | Lathe center |
JP6239230B2 (ja) * | 2012-12-05 | 2017-11-29 | 三菱日立パワーシステムズ株式会社 | タービンロータの製造方法 |
US20140252198A1 (en) * | 2013-03-11 | 2014-09-11 | General Electric Company | Support structure with dissimilar metal welds |
JP6204708B2 (ja) * | 2013-06-11 | 2017-09-27 | 三菱日立パワーシステムズ株式会社 | タービンロータ及びこれを用いた蒸気タービン並びに当該タービンロータの製造方法 |
CN103470309A (zh) * | 2013-08-21 | 2013-12-25 | 东方电气集团东方汽轮机有限公司 | 一种分段组合式转子 |
JP5763826B2 (ja) * | 2014-10-28 | 2015-08-12 | 三菱重工業株式会社 | 蒸気タービンのロータ |
US10480332B2 (en) * | 2014-12-10 | 2019-11-19 | General Electric Company | Rotors and methods of making the same |
JP5869173B2 (ja) * | 2015-06-10 | 2016-02-24 | 三菱重工業株式会社 | 蒸気タービンのロータ |
Family Cites Families (13)
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FR1590720A (zh) * | 1968-10-10 | 1970-04-20 | ||
BE787441A (fr) * | 1971-08-23 | 1973-02-12 | Alsthom Cgee | Rotor soude |
FR2215832A5 (zh) * | 1973-01-26 | 1974-08-23 | Alsthom | |
FR2272259B1 (zh) * | 1974-05-21 | 1977-03-11 | Alsthom Cgee | |
CH621962A5 (zh) * | 1977-09-06 | 1981-03-13 | Bbc Brown Boveri & Cie | |
JPS57137078A (en) * | 1981-02-17 | 1982-08-24 | Toshiba Corp | Production of turbine rotor made of high chromium alloy steel |
DE3438971A1 (de) * | 1984-04-03 | 1985-10-10 | Kraftwerk Union AG, 4330 Mülheim | Spezial-endoskop zur optischen risspruefung |
JPS6142492A (ja) * | 1984-08-01 | 1986-02-28 | Hitachi Ltd | 蒸気タ−ビン主蒸気管とケ−シングとの溶接構造 |
US4696544A (en) * | 1985-11-18 | 1987-09-29 | Olympus Corporation | Fiberscopic device for inspection of internal sections of construction, and method for using same |
US4962586A (en) * | 1989-11-29 | 1990-10-16 | Westinghouse Electric Corp. | Method of making a high temperature - low temperature rotor for turbines |
US5052803A (en) * | 1989-12-15 | 1991-10-01 | Welch Allyn, Inc. | Mushroom hook cap for borescope |
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-
1999
- 1999-04-08 JP JP10090899A patent/JP3999402B2/ja not_active Expired - Lifetime
- 1999-05-24 TW TW088108461A patent/TW394812B/zh active
- 1999-05-26 EP EP99110213A patent/EP0964135B1/en not_active Expired - Lifetime
- 1999-05-26 DE DE69924561T patent/DE69924561T2/de not_active Expired - Lifetime
- 1999-05-26 SG SG9902585A patent/SG87808A1/en unknown
- 1999-06-03 MY MYPI99002243A patent/MY118953A/en unknown
- 1999-06-04 ID IDP990534D patent/ID23116A/id unknown
- 1999-06-04 KR KR1019990020654A patent/KR100330520B1/ko not_active IP Right Cessation
- 1999-06-08 US US09/327,557 patent/US6152697A/en not_active Expired - Lifetime
- 1999-06-09 CN CNB991071867A patent/CN1209548C/zh not_active Expired - Lifetime
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100335747C (zh) * | 2002-12-05 | 2007-09-05 | 西门子公司 | 透平轴及其制造方法和应用 |
CN1300445C (zh) * | 2003-12-26 | 2007-02-14 | 东方汽轮机厂 | 一种汽轮机高温叶片及其热处理工艺 |
US7946813B2 (en) | 2006-10-04 | 2011-05-24 | Kabushiki Kaisha Toshiba | Turbine rotor and steam turbine |
CN101765702B (zh) * | 2008-06-18 | 2013-05-15 | 三菱重工业株式会社 | 旋转机器的转子及其制造方法 |
CN101772586B (zh) * | 2008-06-18 | 2012-02-29 | 三菱重工业株式会社 | Ni基合金-高铬钢构造物及其制造方法 |
CN101713764A (zh) * | 2008-10-01 | 2010-05-26 | 阿尔斯托姆科技有限公司 | 转子盘焊缝检测方法及布置 |
CN101713764B (zh) * | 2008-10-01 | 2014-04-09 | 阿尔斯托姆科技有限公司 | 转子盘焊缝检测方法及布置 |
CN101790595B (zh) * | 2008-10-08 | 2011-09-21 | 三菱重工业株式会社 | 涡轮转子及涡轮转子的制造方法 |
CN101992356A (zh) * | 2009-08-25 | 2011-03-30 | 阿尔斯托姆科技有限公司 | 连接的涡轮转子构件及其方法 |
CN101992356B (zh) * | 2009-08-25 | 2015-10-07 | 阿尔斯托姆科技有限公司 | 连接的涡轮转子构件及其方法 |
CN102031995A (zh) * | 2009-09-30 | 2011-04-27 | 通用电气公司 | 多合金涡轮机转子段、焊接涡轮机转子及其制造方法 |
CN102086782A (zh) * | 2009-12-08 | 2011-06-08 | 阿尔斯托姆科技有限公司 | 蒸汽涡轮机转子 |
CN102619569A (zh) * | 2011-01-21 | 2012-08-01 | 通用电气公司 | 焊接转子、具有焊接转子的蒸汽轮机及焊接转子制造方法 |
CN102606218A (zh) * | 2011-01-21 | 2012-07-25 | 通用电气公司 | 焊接转子、具有焊接转子的蒸汽轮机及焊接转子制造方法 |
CN103459779A (zh) * | 2011-03-23 | 2013-12-18 | 三菱重工业株式会社 | 涡轮转子及涡轮转子的制造方法 |
CN103459779B (zh) * | 2011-03-23 | 2016-04-06 | 三菱日立电力系统株式会社 | 涡轮转子及涡轮转子的制造方法 |
CN104093521A (zh) * | 2012-02-06 | 2014-10-08 | 西门子公司 | 利用控制两个构件的成型部材料配合地连接所述构件的方法 |
CN103510996A (zh) * | 2012-06-22 | 2014-01-15 | 株式会社日立制作所 | 涡轮转子及其制造方法和使用其的蒸汽涡轮发动机 |
CN103510996B (zh) * | 2012-06-22 | 2015-11-18 | 三菱日立电力系统株式会社 | 涡轮转子及其制造方法和使用其的蒸汽涡轮发动机 |
US9598962B2 (en) | 2012-06-22 | 2017-03-21 | Mitsubishi Hitachi Power Systems, Ltd. | Turbine rotor, manufacturing method thereof and steam turbine using turbine rotor |
CN103603693A (zh) * | 2013-12-05 | 2014-02-26 | 罗亚军 | 空心轴新动力发动机 |
CN107427949A (zh) * | 2015-03-23 | 2017-12-01 | 西门子公司 | 轴元件、用于制造由两种不同材料构成的轴元件的方法以及相应的流体机械 |
CN106736300A (zh) * | 2017-01-10 | 2017-05-31 | 上海电气电站设备有限公司 | 由异种材料构成的涡轮转子的制造方法 |
CN106736300B (zh) * | 2017-01-10 | 2019-01-25 | 上海电气电站设备有限公司 | 由异种材料构成的涡轮转子的制造方法 |
CN115044818A (zh) * | 2022-07-25 | 2022-09-13 | 华能国际电力股份有限公司 | 一种650°c及以上等级汽轮机用转子及其制备方法 |
Also Published As
Publication number | Publication date |
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MY118953A (en) | 2005-02-28 |
CN1209548C (zh) | 2005-07-06 |
DE69924561D1 (de) | 2005-05-12 |
ID23116A (id) | 2000-03-02 |
EP0964135B1 (en) | 2005-04-06 |
KR20000005928A (ko) | 2000-01-25 |
US6152697A (en) | 2000-11-28 |
TW394812B (en) | 2000-06-21 |
KR100330520B1 (ko) | 2002-03-28 |
EP0964135A2 (en) | 1999-12-15 |
DE69924561T2 (de) | 2006-02-16 |
SG87808A1 (en) | 2002-04-16 |
JP2000064805A (ja) | 2000-02-29 |
JP3999402B2 (ja) | 2007-10-31 |
EP0964135A3 (en) | 2000-12-06 |
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