ATE181372T1 - Co-cr-mo pulvermetallurgischen gegenstände und verfahren deren herstellung - Google Patents

Co-cr-mo pulvermetallurgischen gegenstände und verfahren deren herstellung

Info

Publication number
ATE181372T1
ATE181372T1 AT95902705T AT95902705T ATE181372T1 AT E181372 T1 ATE181372 T1 AT E181372T1 AT 95902705 T AT95902705 T AT 95902705T AT 95902705 T AT95902705 T AT 95902705T AT E181372 T1 ATE181372 T1 AT E181372T1
Authority
AT
Austria
Prior art keywords
max
production
powder metallurgical
weight percent
objects
Prior art date
Application number
AT95902705T
Other languages
English (en)
Inventor
Corso Gregory J Del
Original Assignee
Crs Holdings Inc
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
Application filed by Crs Holdings Inc filed Critical Crs Holdings Inc
Application granted granted Critical
Publication of ATE181372T1 publication Critical patent/ATE181372T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • B22F3/03—Press-moulding apparatus therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/02—Inorganic materials
    • A61L27/04—Metals or alloys
    • A61L27/045—Cobalt or cobalt alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00011—Metals or alloys
    • A61F2310/00029—Cobalt-based alloys, e.g. Co-Cr alloys or Vitallium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2201/00—Treatment under specific atmosphere
    • B22F2201/02—Nitrogen
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
    • Y10S75/95—Consolidated metal powder compositions of >95% theoretical density, e.g. wrought

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dermatology (AREA)
  • Veterinary Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Epidemiology (AREA)
  • Inorganic Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Materials For Medical Uses (AREA)
AT95902705T 1993-12-23 1994-11-30 Co-cr-mo pulvermetallurgischen gegenstände und verfahren deren herstellung ATE181372T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/173,343 US5462575A (en) 1993-12-23 1993-12-23 Co-Cr-Mo powder metallurgy articles and process for their manufacture

Publications (1)

Publication Number Publication Date
ATE181372T1 true ATE181372T1 (de) 1999-07-15

Family

ID=22631594

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95902705T ATE181372T1 (de) 1993-12-23 1994-11-30 Co-cr-mo pulvermetallurgischen gegenstände und verfahren deren herstellung

Country Status (10)

Country Link
US (1) US5462575A (de)
EP (1) EP0736108B1 (de)
JP (1) JP3010378B2 (de)
KR (1) KR100236151B1 (de)
AT (1) ATE181372T1 (de)
CA (1) CA2178808C (de)
DE (1) DE69419176T2 (de)
ES (1) ES2135038T3 (de)
TW (1) TW310344B (de)
WO (1) WO1995017530A1 (de)

Families Citing this family (83)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9623540D0 (en) * 1996-11-12 1997-01-08 Johnson & Johnson Professional Hip joint prosthesis
US7967855B2 (en) 1998-07-27 2011-06-28 Icon Interventional Systems, Inc. Coated medical device
US8070796B2 (en) * 1998-07-27 2011-12-06 Icon Interventional Systems, Inc. Thrombosis inhibiting graft
US6395327B1 (en) * 1999-03-12 2002-05-28 Zimmer, Inc. Enhanced fatigue strength orthopaedic implant with porous coating and method of making same
US6733603B1 (en) * 1999-11-15 2004-05-11 Deloro Stellite Company, Inc. Cobalt-based industrial cutting tool inserts and alloys therefor
AU2002345328A1 (en) 2001-06-27 2003-03-03 Remon Medical Technologies Ltd. Method and device for electrochemical formation of therapeutic species in vivo
DE10207161B4 (de) 2002-02-20 2004-12-30 Universität Hannover Verfahren zur Herstellung von Implantaten
AU2003226586A1 (en) 2002-09-19 2004-04-08 Malan De Villiers Intervertebral prosthesis
WO2004048641A1 (en) * 2002-11-26 2004-06-10 Crs Holdings, Inc. Process for improving the hot workability of a cast superalloy ingot
WO2004066884A1 (en) 2003-01-31 2004-08-12 Spinalmotion, Inc. Intervertebral prosthesis placement instrument
JP4398975B2 (ja) 2003-01-31 2010-01-13 スパイナルモーション， インコーポレイテッド 脊髄中線指示器
SE0300881D0 (sv) * 2003-03-27 2003-03-27 Hoeganaes Ab Powder metal composition and method for producing components thereof
US7300488B2 (en) * 2003-03-27 2007-11-27 Höganäs Ab Powder metal composition and method for producing components thereof
US20060198751A1 (en) * 2003-03-27 2006-09-07 Hoganas Ab, Co-based water-atomised powder composition for die compaction
US20050155679A1 (en) * 2003-04-09 2005-07-21 Coastcast Corporation CoCr alloys and methods for making same
US7520947B2 (en) * 2003-05-23 2009-04-21 Ati Properties, Inc. Cobalt alloys, methods of making cobalt alloys, and implants and articles of manufacture made therefrom
US7575599B2 (en) 2004-07-30 2009-08-18 Spinalmotion, Inc. Intervertebral prosthetic disc with metallic core
US10052211B2 (en) 2003-05-27 2018-08-21 Simplify Medical Pty Ltd. Prosthetic disc for intervertebral insertion
US7442211B2 (en) 2003-05-27 2008-10-28 Spinalmotion, Inc. Intervertebral prosthetic disc
US7585326B2 (en) 2004-08-06 2009-09-08 Spinalmotion, Inc. Methods and apparatus for intervertebral disc prosthesis insertion
WO2006054358A1 (ja) * 2004-11-19 2006-05-26 Iwate University 生体用合金のNi微量不純物によるアレルギー毒性を無害化する方法
US8083797B2 (en) 2005-02-04 2011-12-27 Spinalmotion, Inc. Intervertebral prosthetic disc with shock absorption
JP4467064B2 (ja) * 2005-02-24 2010-05-26 日本発條株式会社 Ｃｏ−Ｃｒ−Ｍｏ合金およびその製造方法
US7540995B2 (en) * 2005-03-03 2009-06-02 Icon Medical Corp. Process for forming an improved metal alloy stent
AU2006221046B2 (en) * 2005-03-03 2012-02-02 Icon Medical Corp. Improved metal alloys for medical device
WO2008088423A1 (en) * 2007-01-16 2008-07-24 Icon Medical Corp. Improved metal alloys for medical devices
US9107899B2 (en) 2005-03-03 2015-08-18 Icon Medical Corporation Metal alloys for medical devices
JP4843795B2 (ja) * 2005-03-28 2011-12-21 国立大学法人岩手大学 耐磨耗特性に優れる人工関節用Ｃｏ−Ｃｒ−Ｍｏ合金
US8840660B2 (en) 2006-01-05 2014-09-23 Boston Scientific Scimed, Inc. Bioerodible endoprostheses and methods of making the same
US8089029B2 (en) 2006-02-01 2012-01-03 Boston Scientific Scimed, Inc. Bioabsorbable metal medical device and method of manufacture
US8048150B2 (en) 2006-04-12 2011-11-01 Boston Scientific Scimed, Inc. Endoprosthesis having a fiber meshwork disposed thereon
WO2007121320A2 (en) 2006-04-12 2007-10-25 Spinalmotion, Inc. Posterior spinal device and method
EP2054537A2 (de) 2006-08-02 2009-05-06 Boston Scientific Scimed, Inc. Endoprothese mit dreidimensionaler desintegrationssteuerung
EP2121068B1 (de) 2006-09-15 2010-12-08 Boston Scientific Scimed, Inc. Biologisch erodierbare endoprothese mit biostabilen anorganischen schichten
EP2959925B1 (de) 2006-09-15 2018-08-29 Boston Scientific Limited Medizinische vorrichtungen und verfahren zu ihrer herstellung
JP2010503494A (ja) 2006-09-15 2010-02-04 ボストン サイエンティフィック リミテッド 生分解性内部人工器官およびその製造方法
CA2663250A1 (en) 2006-09-15 2008-03-20 Boston Scientific Limited Bioerodible endoprostheses and methods of making the same
US8002821B2 (en) 2006-09-18 2011-08-23 Boston Scientific Scimed, Inc. Bioerodible metallic ENDOPROSTHESES
CA2674195A1 (en) 2006-12-28 2008-07-10 Boston Scientific Limited Bioerodible endoprostheses and methods of making same
US20090043391A1 (en) 2007-08-09 2009-02-12 Spinalmotion, Inc. Customized Intervertebral Prosthetic Disc with Shock Absorption
US8052745B2 (en) 2007-09-13 2011-11-08 Boston Scientific Scimed, Inc. Endoprosthesis
WO2009055477A1 (en) 2007-10-22 2009-04-30 Spinalmotion, Inc. Method and spacer device for spanning a space formed upon removal of an intervertebral disc
US8118857B2 (en) * 2007-11-29 2012-02-21 Boston Scientific Corporation Medical articles that stimulate endothelial cell migration
JP5125488B2 (ja) * 2007-12-26 2013-01-23 大同特殊鋼株式会社 焼結体用硬質粒子粉末及び焼結体
US8764833B2 (en) 2008-03-11 2014-07-01 Spinalmotion, Inc. Artificial intervertebral disc with lower height
US9034038B2 (en) 2008-04-11 2015-05-19 Spinalmotion, Inc. Motion limiting insert for an artificial intervertebral disc
KR20110009216A (ko) 2008-05-05 2011-01-27 스피날모우션, 인코포레이티드 폴리아릴에테르케톤 인공 추간판
US7998192B2 (en) 2008-05-09 2011-08-16 Boston Scientific Scimed, Inc. Endoprostheses
US8236046B2 (en) 2008-06-10 2012-08-07 Boston Scientific Scimed, Inc. Bioerodible endoprosthesis
US9220603B2 (en) 2008-07-02 2015-12-29 Simplify Medical, Inc. Limited motion prosthetic intervertebral disc
EP2299944A4 (de) 2008-07-17 2013-07-31 Spinalmotion Inc System zur platzierung künstlicher bandscheiben
WO2010009153A1 (en) 2008-07-18 2010-01-21 Spinalmotion, Inc. Posterior prosthetic intervertebral disc
US7985252B2 (en) 2008-07-30 2011-07-26 Boston Scientific Scimed, Inc. Bioerodible endoprosthesis
US8382824B2 (en) 2008-10-03 2013-02-26 Boston Scientific Scimed, Inc. Medical implant having NANO-crystal grains with barrier layers of metal nitrides or fluorides
US8267992B2 (en) 2009-03-02 2012-09-18 Boston Scientific Scimed, Inc. Self-buffering medical implants
US20100329920A1 (en) * 2009-06-26 2010-12-30 Edward Rosenberg Cobalt-based jewelry article
IT1395649B1 (it) * 2009-07-31 2012-10-16 Avio Spa Procedimento di fabbricazione di componenti ottenuti per sinterizzazione di leghe co-cr-mo aventi migliorata duttilita' alle alte temperature
ES2394385B1 (es) * 2009-10-16 2013-12-13 Juan Carlos Garcia Aparicio Procedimiento de fabricacion de piezas sinterizadas y piezas obtenidas por dicho procedimiento
US8398916B2 (en) 2010-03-04 2013-03-19 Icon Medical Corp. Method for forming a tubular medical device
WO2011119573A1 (en) 2010-03-23 2011-09-29 Boston Scientific Scimed, Inc. Surface treated bioerodible metal endoprostheses
US8875220B2 (en) 2010-07-01 2014-10-28 Raytheom Company Proxy-based network access protection
US20140271317A1 (en) * 2011-10-21 2014-09-18 Kyocera Medical Corporation BIOCOMPATIBLE Co-Cr-Mo ALLOY
JP6015002B2 (ja) * 2011-12-26 2016-10-26 株式会社Ihi 窒素含有コバルト合金の製造方法
US9246298B2 (en) * 2012-06-07 2016-01-26 Cymer, Llc Corrosion resistant electrodes for laser chambers
US9427322B1 (en) 2012-06-27 2016-08-30 Signal Medical Corporation Hip implant
DE102013003434A1 (de) * 2013-02-27 2014-08-28 Gernot Hausch CoCr - Fräsrohling für die Herstellung dentaler Prothesenteile
JP6492512B2 (ja) * 2014-01-31 2019-04-03 セイコーエプソン株式会社 歯科用の被切削加工用ブランク材、粉末冶金用金属粉末、歯科用の陶材焼付用メタルフレームおよび歯科用補綴物
JP6451064B2 (ja) * 2014-03-26 2019-01-16 セイコーエプソン株式会社 装飾品、皮膚接触材料、粉末冶金用金属粉末および装飾品の製造方法
CN104028770B (zh) * 2014-06-09 2017-03-08 宝鸡飞利有色金属材料有限公司 一种医用钴铬钼合金球形颗粒的制备方法
BR112016030273A2 (pt) 2014-06-24 2017-08-22 Icon Medical Corp Dispositivo médico e método para formar o referido dispositivo
WO2017151548A1 (en) 2016-03-04 2017-09-08 Mirus Llc Stent device for spinal fusion
DE102016111594A1 (de) 2016-06-24 2017-12-28 Vdm Metals International Gmbh Edelmetallfreies metallpulver
US10849759B2 (en) 2017-03-13 2020-12-01 Floyd G. Goodman Ceramic multi-hooded enarthrodial joint implant
US11583405B2 (en) 2017-03-13 2023-02-21 Floyd G. Goodman Hard substance multi-hooded enarthrodial joint implant
US10524921B2 (en) 2017-03-14 2020-01-07 Floyd G. Goodman Universal joint implant for shoulder
US11224915B2 (en) * 2017-06-05 2022-01-18 General Electric Company Method of repairing a component using an additive manufacture replacement coupon, and alloy for additive manufacturing
KR102024555B1 (ko) * 2017-12-18 2019-09-24 주식회사 포스코 다공질 금속 및 그 제조 방법
CN108396199B (zh) * 2018-02-05 2020-05-29 三峡大学 一种钴铬镍合金材料及其粉末冶金制备方法
CN111790913A (zh) * 2019-03-20 2020-10-20 金川集团股份有限公司 一种用于激光3d打印的医用钴铬钼合金粉末的制备方法
US11155904B2 (en) 2019-07-11 2021-10-26 L.E. Jones Company Cobalt-rich wear resistant alloy and method of making and use thereof
EP4150130A1 (de) * 2020-05-11 2023-03-22 Haynes International, Inc. Knetbare chromhaltige legierungen auf kobaltbasis mit verbesserter beständigkeit gegen abreibungs- und chloridinduzierte spaltattacken
EP4435124A4 (de) * 2022-06-22 2025-09-10 Dailywin Watch Products Mfg Ltd Kobaltbasierte legierung, wearable-artikel und herstellungsverfahren für ein metallprodukt
CN115161516B (zh) * 2022-07-18 2023-03-21 嘉兴数字三维智能制造研究院有限公司 一种用于齿科专用钴铬合金粉末材料

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2225577C3 (de) * 1972-05-26 1980-01-31 Edelstahlwerk Witten Ag, 5810 Witten Verwendung einer Legierung auf Kobalt-Chrom-Basis als Biowerkstoff
JPS5410224A (en) * 1977-06-23 1979-01-25 Howmedica Nitrogen containing cobalt cromium molibuden alloy
US4631082A (en) * 1985-02-20 1986-12-23 Pfizer Hospital Products Group Inc. Cobalt-chromium superalloy
US4668290A (en) * 1985-08-13 1987-05-26 Pfizer Hospital Products Group Inc. Dispersion strengthened cobalt-chromium-molybdenum alloy produced by gas atomization
US5002731A (en) * 1989-04-17 1991-03-26 Haynes International, Inc. Corrosion-and-wear-resistant cobalt-base alloy

Also Published As

Publication number Publication date
KR100236151B1 (ko) 1999-12-15
DE69419176D1 (de) 1999-07-22
US5462575A (en) 1995-10-31
JPH09506142A (ja) 1997-06-17
EP0736108B1 (de) 1999-06-16
ES2135038T3 (es) 1999-10-16
CA2178808C (en) 2001-06-05
EP0736108A1 (de) 1996-10-09
TW310344B (de) 1997-07-11
WO1995017530A1 (en) 1995-06-29
JP3010378B2 (ja) 2000-02-21
KR970700255A (ko) 1997-01-08
DE69419176T2 (de) 2000-01-05
CA2178808A1 (en) 1995-06-29

Similar Documents

Publication Publication Date Title
ATE181372T1 (de) Co-cr-mo pulvermetallurgischen gegenstände und verfahren deren herstellung
DE3663687D1 (en) Dispersion strengthened cobalt-chromium-molybdenum alloy produced by gas atomization
ATE95842T1 (de) Schwermetallegierungen aus wolfram-nickel-eisen- kobalt mit hoher haerte und verfahren zur herstellung dieser legierungen.
GB0329418D0 (en) Sintered tin-containing cobalt-based and nickel-based alloys
IL149084A (en) Stainless steel alloys and method for making wire therefrom
JPS5576038A (en) High strength high toughness cobalt-base alloy
TW373027B (en) Powder metallurgy, cobalt-based articles having high resistance to wear and corrosion in semi-solid metals, method of manufacturing and apparatus including the same
JPS57145963A (en) Material for magnetic head and its manufacture
US5703304A (en) Iron-based powder containing chromium, molybdenum and manganese
DE69304284D1 (de) Verfahren zur Herstellung einer gesinterten Karbonitridenlegierung mit verbesserter Zähigkeit
ATE378431T1 (de) Ultrahochfester stahl und verfahren zur herstellung eines mit zink oder zinklegierung platierten stahlbleches
ES8500341A1 (es) Metodo de colada de un material en banda amorfo.
JPS6483637A (en) Aluminum alloy material for powder metallurgy
JPS6425901A (en) Production of low alloy steel powder for low c and low o powder metallurgy
AU3833897A (en) Heat-resistant alloy steel for hearth metal members of steel material furnaces
ATE157125T1 (de) Nickelfreie buntmetallegierung und deren verwendung
SE9101500D0 (sv) Legering med hoeg densitet och hoeg duktilitet
DK0648851T3 (da) Genstand af svovloldigt pulvermetallurgisk værktøjsstål og fremgangsmåde til fremstilling deraf
SE9502711L (sv) Blandat järnpulver för pulvermetallurgi
TW226401B (en) Fe-Cr alloy scales for magnetic screening coating
DE69122138D1 (de) Hitzebeständige Legierung
JPS6455331A (en) Manufacture of steel material having spheroidized structure
Uehara et al. Erosion-Resistant Alloys
BR0117169A (pt) Método de fabricar produto por meio de metalurgia lìquida
Lasday New Alloy Combines Corrosion Resistance, High Strength, and Useful Temperature Resistance Economically

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification