MX166268B - Metodo para producir un cuerpo compuesto de ceramica autoportante y cuerpo compuesto asi obtenido - Google Patents
Metodo para producir un cuerpo compuesto de ceramica autoportante y cuerpo compuesto asi obtenidoInfo
- Publication number
- MX166268B MX166268B MX010077A MX1007788A MX166268B MX 166268 B MX166268 B MX 166268B MX 010077 A MX010077 A MX 010077A MX 1007788 A MX1007788 A MX 1007788A MX 166268 B MX166268 B MX 166268B
- Authority
- MX
- Mexico
- Prior art keywords
- self
- produce
- filler
- permeable mass
- composite
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/5607—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on refractory metal carbides
- C04B35/5611—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on refractory metal carbides based on titanium carbides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/5607—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on refractory metal carbides
- C04B35/5622—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on refractory metal carbides based on zirconium or hafnium carbides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
- C04B35/65—Reaction sintering of free metal- or free silicon-containing compositions
- C04B35/652—Directional oxidation or solidification, e.g. Lanxide process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
- B29C2043/3615—Forming elements, e.g. mandrels or rams or stampers or pistons or plungers or punching devices
- B29C2043/3628—Forming elements, e.g. mandrels or rams or stampers or pistons or plungers or punching devices moving inside a barrel or container like sleeve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Ceramic Products (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Carbon And Carbon Compounds (AREA)
- Catalysts (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Laminated Bodies (AREA)
- Powder Metallurgy (AREA)
- Inorganic Fibers (AREA)
- Materials For Medical Uses (AREA)
Abstract
La presente invención se refiere a método para producir un cuerpo compuesto de cerámica autoportante que comprende material de carburo de metal de Grupo IVA, caracterizado porque comprende a) establecer en un atmósfera sustancialmente inerte un cuerpo de metal madre en fusión seleccionado dentro del grupo que consiste en titanio hafnio y zirconio en contacto superficial con la masa permeable que comprende (i) una carga, y (ii) una fuente de carbono para reaccioar con dicho metal en fusión para formar el carburo del mismo, estando presente la fracción de carbono de dicha fuente de carbono en no más que una cantidad estequiométrica b) mantener dicho contacto superficial durante un tiempo suficiente para efectuar la infiltración de metal madre en fusión dentro de dicha masa permeable y permitir la reacción de dicho metal madre en fusión con dicha fuente de carbono para formar un carburo de metal madre; y c) contiuar dichas infiltración y reacción durante un tiempo suficiente para completar por lo menos sustancialmente dicha reacción y para producir con esto dicho cuerpo compuesto de cerámica autoportante.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/002,823 US4891338A (en) | 1987-01-13 | 1987-01-13 | Production of metal carbide articles |
Publications (1)
Publication Number | Publication Date |
---|---|
MX166268B true MX166268B (es) | 1992-12-28 |
Family
ID=21702682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX010077A MX166268B (es) | 1987-01-13 | 1988-01-13 | Metodo para producir un cuerpo compuesto de ceramica autoportante y cuerpo compuesto asi obtenido |
Country Status (32)
Country | Link |
---|---|
US (1) | US4891338A (es) |
EP (1) | EP0277085B1 (es) |
JP (2) | JPH06665B2 (es) |
KR (1) | KR950014719B1 (es) |
CN (1) | CN88100073A (es) |
AT (1) | ATE70038T1 (es) |
AU (1) | AU601539B2 (es) |
BG (1) | BG60293B2 (es) |
BR (1) | BR8800082A (es) |
CA (1) | CA1327492C (es) |
CS (1) | CS276459B6 (es) |
DD (1) | DD284699A5 (es) |
DE (1) | DE3866550D1 (es) |
DK (1) | DK11188A (es) |
ES (1) | ES2038782T3 (es) |
FI (1) | FI93540C (es) |
GR (1) | GR3003821T3 (es) |
HU (1) | HU205335B (es) |
IE (1) | IE61458B1 (es) |
IL (1) | IL85071A (es) |
IN (1) | IN169041B (es) |
MX (1) | MX166268B (es) |
NO (1) | NO880096L (es) |
NZ (1) | NZ223094A (es) |
PH (1) | PH26252A (es) |
PL (1) | PL157986B1 (es) |
PT (1) | PT86537B (es) |
RO (1) | RO100373B1 (es) |
RU (1) | RU1838279C (es) |
TR (1) | TR24678A (es) |
YU (1) | YU46856B (es) |
ZA (1) | ZA88177B (es) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5401694A (en) * | 1987-01-13 | 1995-03-28 | Lanxide Technology Company, Lp | Production of metal carbide articles |
US5254509A (en) * | 1987-01-13 | 1993-10-19 | Lanxide Technology Company, Lp | Production of metal carbide articles |
US5296417A (en) * | 1987-07-15 | 1994-03-22 | Lanxide Technology Company, Lp | Self-supporting bodies |
US5180697A (en) * | 1987-07-15 | 1993-01-19 | Lanxide Technology Company, Lp | Process for preparing self-supporting bodies and products produced thereby |
AU620360B2 (en) * | 1987-12-23 | 1992-02-20 | Lanxide Corporation | A method of producing and modifying the properties of ceramic composite bodies |
US5162098A (en) * | 1987-12-23 | 1992-11-10 | Lanxide Technology Company, Lp | Method of modifying ceramic composite bodies by a post-treatment process and articles produced thereby |
US5143870A (en) * | 1987-12-23 | 1992-09-01 | Lanxide Technology Company, Lp | Method of modifying ceramic composite bodies by a post-treatment process and articles produced thereby |
US5298051A (en) * | 1987-12-23 | 1994-03-29 | Lanxide Technology Company, Lp | Method of modifying ceramic composite bodies by a post-treatment process and articles produced thereby |
US5403790A (en) * | 1987-12-23 | 1995-04-04 | Lanxide Technology Company, Lp | Additives for property modification in ceramic composite bodies |
US5079195A (en) * | 1988-01-15 | 1992-01-07 | Massachusetts Institute Of Technology | Method of preparing refractory silicon carbide composites and coatings |
EP0372708A1 (en) * | 1988-11-10 | 1990-06-13 | United Kingdom Atomic Energy Authority | A method of producing a silicon carbide-based body |
GB8826300D0 (en) * | 1988-11-10 | 1989-04-19 | Atomic Energy Authority Uk | A method of producing silicon carbide-based bodies |
US5149678A (en) * | 1989-01-13 | 1992-09-22 | Lanxide Technology Company, Lp | Method of modifying ceramic composite bodies by a post-treatment process and articles produced thereby |
US5238883A (en) * | 1989-01-13 | 1993-08-24 | Lanxide Technology Company, Lp | Process for preparing self-supporting bodies and products produced thereby |
US4904446A (en) * | 1989-01-13 | 1990-02-27 | Lanxide Technology Company, Lp | Process for preparing self-supporting bodies and products made thereby |
US4885131A (en) * | 1989-01-13 | 1989-12-05 | Lanxide Technology Company, Lp | Process for preparing self-supporting bodies and products produced thereby |
IL92396A0 (en) * | 1989-01-13 | 1990-07-26 | Lanxide Technology Co Ltd | Method of producing ceramic composite bodies |
US5372178A (en) * | 1989-01-13 | 1994-12-13 | Lanxide Technology Company, Lp | Method of producing ceramic composite bodies |
US5187128A (en) * | 1989-01-13 | 1993-02-16 | Lanxide Technology Company, Lp | Process for preparing self-supporting bodies |
AT392929B (de) * | 1989-03-06 | 1991-07-10 | Boehler Gmbh | Verfahren zur pulvermetallurgischen herstellung von werkstuecken oder werkzeugen |
US5250324A (en) * | 1990-06-25 | 1993-10-05 | Lanxide Technology Company, L.P. | Method for forming a surface coating using powdered solid oxidants and parent metals |
US5112654A (en) * | 1990-06-25 | 1992-05-12 | Lanxide Technology Company, Lp | Method for forming a surface coating |
US5098870A (en) * | 1990-07-12 | 1992-03-24 | Lanxide Technology Company, Lp | Process for preparing self-supporting bodies having controlled porosity and graded properties and products produced thereby |
JPH06502379A (ja) * | 1990-07-12 | 1994-03-17 | ランキサイド テクノロジー カンパニー,リミティド パートナーシップ | セラミックス複合体の接合方法 |
US5203488A (en) * | 1990-07-12 | 1993-04-20 | Lanxide Technology Company, Lp | Method for joining ceramic composite bodies and articles formed thereby |
EP0538417B1 (en) * | 1990-07-12 | 1995-01-25 | Lanxide Technology Company, Lp | Joining methods for ceramic composite bodies |
US5232040A (en) * | 1990-07-12 | 1993-08-03 | Lanxide Technology Company, Lp | Method for reducing metal content of self-supporting composite bodies and articles formed thereby |
US5089447A (en) * | 1990-10-09 | 1992-02-18 | The Dow Chemical Company | High hardness, wear resistant materials |
US5166105A (en) * | 1990-12-10 | 1992-11-24 | Lanxide Technology Company, Lp | Process for preparing self-supporting ceramic composite bodies and bodies produced thereby |
US5500182A (en) * | 1991-07-12 | 1996-03-19 | Lanxide Technology Company, Lp | Ceramic composite bodies with increased metal content |
US5435966A (en) * | 1991-07-12 | 1995-07-25 | Lanxide Technology Company, Lp | Reduced metal content ceramic composite bodies |
US5567662A (en) * | 1994-02-15 | 1996-10-22 | The Dow Chemical Company | Method of making metallic carbide powders |
US5509555A (en) * | 1994-06-03 | 1996-04-23 | Massachusetts Institute Of Technology | Method for producing an article by pressureless reactive infiltration |
US5753574A (en) * | 1996-09-16 | 1998-05-19 | Hiz Corp. | Metal infiltrated ceramic electrical conductor |
DE19834571C2 (de) | 1998-07-31 | 2001-07-26 | Daimler Chrysler Ag | Verfahren zur Herstellung von Körpern aus faserverstärkten Verbundwerkstoffen und Verwendung des Verfahrens |
DE102006023561A1 (de) | 2006-05-19 | 2007-11-22 | Audi Ag | Verfahren zur Herstellung von keramischen Werkstoffen auf Basis von Siliciumcarbid |
RU2484013C2 (ru) * | 2011-02-08 | 2013-06-10 | Бушуев Вячеслав Максимович | Способ изготовления изделий из композиционного материала |
CN109881210B (zh) * | 2019-03-13 | 2020-09-22 | 东北大学 | 电场和/或超声场强化制备过渡金属碳化物粉体的方法 |
CN114315358B (zh) * | 2021-12-27 | 2023-01-24 | 海南大学 | 一种全致密无粘结剂碳化钨陶瓷及其制备方法 |
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US31526A (en) * | 1861-02-26 | Improvement in grain-binding machines | ||
US915657A (en) * | 1902-05-31 | 1909-03-16 | Siemens Ag | Incandescent body for electric glow-lamp. |
US3488291A (en) * | 1964-06-17 | 1970-01-06 | Cabot Corp | Process and composition for the production of cemented metal carbides |
US3472709A (en) * | 1966-03-25 | 1969-10-14 | Nasa | Method of producing refractory composites containing tantalum carbide,hafnium carbide,and hafnium boride |
JPS5013205B1 (es) * | 1969-11-08 | 1975-05-17 | ||
GB1343427A (en) * | 1970-05-04 | 1974-01-10 | Atomic Energy Authority Uk | Bonding solid carbonaceous materials to metal bodies ornamental and decorative articles |
US3725015A (en) * | 1970-06-08 | 1973-04-03 | Norton Co | Process for forming high density refractory shapes and the products resulting therefrom |
US3758662A (en) * | 1971-04-30 | 1973-09-11 | Westinghouse Electric Corp | In carbonaceous mold forming dense carbide articles from molten refractory metal contained |
US3740950A (en) * | 1971-09-14 | 1973-06-26 | Sundstrand Corp | Hydrostatic transmission with acceleration control |
US3864154A (en) * | 1972-11-09 | 1975-02-04 | Us Army | Ceramic-metal systems by infiltration |
US4347083A (en) * | 1973-03-12 | 1982-08-31 | Union Carbide Corporation | Chemically bonded aluminum coating for carbon via monocarbides |
GB1492477A (en) * | 1976-04-21 | 1977-11-23 | British Steel Corp | Production of articles containing a hard phase |
GB1596303A (en) * | 1978-03-02 | 1981-08-26 | Atomic Energy Authority Uk | Production of silicon carbide bodies |
JPS54132412A (en) * | 1978-03-31 | 1979-10-15 | Fujikoshi Kk | Production of sintered body for brazing use |
US4595545A (en) * | 1982-12-30 | 1986-06-17 | Eltech Systems Corporation | Refractory metal borides and composites containing them |
US4471059A (en) * | 1983-02-04 | 1984-09-11 | Shinagawa Refractories Co., Ltd. | Carbon-containing refractory |
DE3381519D1 (de) * | 1983-02-16 | 1990-06-07 | Moltech Invent Sa | Gesinterte metall-keramikverbundwerkstoffe und ihre herstellung. |
US4713360A (en) * | 1984-03-16 | 1987-12-15 | Lanxide Technology Company, Lp | Novel ceramic materials and methods for making same |
DE3588005T2 (de) * | 1984-05-18 | 1995-08-24 | Mitsue Koizumi | Verfahren zum Sintern von keramischen Körpern mit einer verteilten Metallverstärkung. |
JPS60255669A (ja) * | 1984-05-31 | 1985-12-17 | 大阪セメント株式会社 | 炭化ケイ素、チタン族元素炭化物を含む複合炭素材料の製造方法 |
US4692418A (en) * | 1984-08-29 | 1987-09-08 | Stemcor Corporation | Sintered silicon carbide/carbon composite ceramic body having fine microstructure |
US4851375A (en) * | 1985-02-04 | 1989-07-25 | Lanxide Technology Company, Lp | Methods of making composite ceramic articles having embedded filler |
US4605440A (en) * | 1985-05-06 | 1986-08-12 | The United States Of America As Represented By The United States Department Of Energy | Boron-carbide-aluminum and boron-carbide-reactive metal cermets |
CA1256457A (en) * | 1985-05-20 | 1989-06-27 | Michel Chevigne | Production of reaction-sintered articles and reaction- sintered articles |
US4702770A (en) * | 1985-07-26 | 1987-10-27 | Washington Research Foundation | Multipurpose boron carbide-aluminum composite and its manufacture via the control of the microstructure |
US4777014A (en) * | 1986-03-07 | 1988-10-11 | Lanxide Technology Company, Lp | Process for preparing self-supporting bodies and products made thereby |
US4718941A (en) * | 1986-06-17 | 1988-01-12 | The Regents Of The University Of California | Infiltration processing of boron carbide-, boron-, and boride-reactive metal cermets |
-
1987
- 1987-01-13 US US07/002,823 patent/US4891338A/en not_active Expired - Fee Related
- 1987-12-23 RO RO13123487A patent/RO100373B1/ro unknown
-
1988
- 1988-01-04 IN IN09/CAL/88A patent/IN169041B/en unknown
- 1988-01-04 AU AU10018/88A patent/AU601539B2/en not_active Ceased
- 1988-01-05 CS CS88117A patent/CS276459B6/cs unknown
- 1988-01-06 NZ NZ223094A patent/NZ223094A/xx unknown
- 1988-01-08 TR TR88/0024A patent/TR24678A/xx unknown
- 1988-01-08 IE IE4288A patent/IE61458B1/en unknown
- 1988-01-08 YU YU3588A patent/YU46856B/sh unknown
- 1988-01-09 CN CN198888100073A patent/CN88100073A/zh active Pending
- 1988-01-11 PH PH36340A patent/PH26252A/en unknown
- 1988-01-11 CA CA000556691A patent/CA1327492C/en not_active Expired - Fee Related
- 1988-01-11 IL IL85071A patent/IL85071A/xx not_active IP Right Cessation
- 1988-01-11 HU HU8885A patent/HU205335B/hu not_active IP Right Cessation
- 1988-01-11 BG BG082584A patent/BG60293B2/xx unknown
- 1988-01-11 DD DD88312166A patent/DD284699A5/de not_active IP Right Cessation
- 1988-01-12 NO NO880096A patent/NO880096L/no unknown
- 1988-01-12 BR BR8800082A patent/BR8800082A/pt active Search and Examination
- 1988-01-12 RU SU884203985A patent/RU1838279C/ru active
- 1988-01-12 ZA ZA880177A patent/ZA88177B/xx unknown
- 1988-01-12 DE DE8888630008T patent/DE3866550D1/de not_active Expired - Fee Related
- 1988-01-12 AT AT88630008T patent/ATE70038T1/de not_active IP Right Cessation
- 1988-01-12 ES ES198888630008T patent/ES2038782T3/es not_active Expired - Lifetime
- 1988-01-12 PT PT86537A patent/PT86537B/pt not_active IP Right Cessation
- 1988-01-12 PL PL1988270099A patent/PL157986B1/pl unknown
- 1988-01-12 EP EP88630008A patent/EP0277085B1/en not_active Expired - Lifetime
- 1988-01-12 FI FI880121A patent/FI93540C/fi not_active IP Right Cessation
- 1988-01-12 DK DK011188A patent/DK11188A/da not_active Application Discontinuation
- 1988-01-13 MX MX010077A patent/MX166268B/es unknown
- 1988-01-13 JP JP63005687A patent/JPH06665B2/ja not_active Expired - Fee Related
- 1988-01-13 KR KR1019880000198A patent/KR950014719B1/ko active IP Right Grant
-
1990
- 1990-12-26 JP JP2406646A patent/JP2645180B2/ja not_active Expired - Fee Related
-
1992
- 1992-02-18 GR GR920400243T patent/GR3003821T3/el unknown
Also Published As
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