NL184316C - Werkwijze ter vervaardiging van een mechanisch bewerkbaar gietstuk en werkwijze ter vervaardiging van een samenstel van siliciumcarbide. - Google Patents
Werkwijze ter vervaardiging van een mechanisch bewerkbaar gietstuk en werkwijze ter vervaardiging van een samenstel van siliciumcarbide.Info
- Publication number
- NL184316C NL184316C NLAANVRAGE7701852,A NL7701852A NL184316C NL 184316 C NL184316 C NL 184316C NL 7701852 A NL7701852 A NL 7701852A NL 184316 C NL184316 C NL 184316C
- Authority
- NL
- Netherlands
- Prior art keywords
- manufacturing
- silicon carbide
- carbide composition
- machine cast
- mechanically machine
- 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
- 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
- C04B35/58—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/583—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on boron nitride
-
- 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
- C04B35/565—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 silicon carbide
- C04B35/573—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 silicon carbide obtained by reaction sintering or recrystallisation
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12486—Laterally noncoextensive components [e.g., embedded, etc.]
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/16—Two dimensionally sectional layer
- Y10T428/163—Next to unitary web or sheet of equal or greater extent
- Y10T428/164—Continuous two dimensionally sectional layer
- Y10T428/166—Glass, ceramic, or metal sections [e.g., floor or wall tile, etc.]
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Products (AREA)
- Silicon Compounds (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/660,261 US4120731A (en) | 1976-02-23 | 1976-02-23 | Method of making molten silicon infiltration reaction products and products made thereby |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7701852A NL7701852A (nl) | 1977-08-25 |
NL184316B NL184316B (nl) | 1989-01-16 |
NL184316C true NL184316C (nl) | 1989-06-16 |
Family
ID=24648771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7701852,A NL184316C (nl) | 1976-02-23 | 1977-02-21 | Werkwijze ter vervaardiging van een mechanisch bewerkbaar gietstuk en werkwijze ter vervaardiging van een samenstel van siliciumcarbide. |
Country Status (11)
Country | Link |
---|---|
US (2) | US4120731A (xx) |
JP (2) | JPS52121614A (xx) |
BE (1) | BE851054A (xx) |
CA (1) | CA1096895A (xx) |
CH (2) | CH641750A5 (xx) |
DE (2) | DE2760422C2 (xx) |
FR (1) | FR2341534A1 (xx) |
GB (1) | GB1556881A (xx) |
IT (1) | IT1075555B (xx) |
NL (1) | NL184316C (xx) |
NO (2) | NO145006C (xx) |
Families Citing this family (79)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4109050A (en) * | 1976-12-09 | 1978-08-22 | General Electric Company | Coated silicon-based ceramic composites and method for making same |
US4177047A (en) * | 1978-07-27 | 1979-12-04 | Joy Manufacturing Company | Electrostatic precipitators |
EP0009148B1 (de) * | 1978-09-02 | 1983-03-02 | Schunk & Ebe GmbH | Gelenkendoprothese |
US4220455A (en) * | 1978-10-24 | 1980-09-02 | General Electric Company | Polycrystalline diamond and/or cubic boron nitride body and process for making said body |
DE2852410C2 (de) * | 1978-12-04 | 1981-12-03 | Kernforschungsanlage Jülich GmbH, 5170 Jülich | Verfahren und Vorrichtung zur Herstellung von Siliciumcarbid-Formkörpern |
US4238433A (en) * | 1978-12-15 | 1980-12-09 | General Electric Company | Method of making molten silicon infiltration reaction products |
US4247304A (en) * | 1978-12-29 | 1981-01-27 | General Electric Company | Process for producing a composite of polycrystalline diamond and/or cubic boron nitride body and substrate phases |
IE49733B1 (en) * | 1978-12-29 | 1985-12-11 | Gen Electric | Integral composite of polycrystalline diamond and/or cubic boron nitride body phase and substrate phase and process for making it |
US4353953A (en) * | 1978-12-29 | 1982-10-12 | General Electric Company | Integral composite of polycrystalline diamond and/or cubic boron nitride body phase and substrate phase |
US4275095A (en) * | 1979-07-31 | 1981-06-23 | Warren Consultants, Inc. | Composite article and method of making same |
US4536442A (en) * | 1979-08-23 | 1985-08-20 | General Electric Company | Process for making diamond and cubic boron nitride compacts |
FR2473037A1 (fr) * | 1980-01-02 | 1981-07-10 | Europ Propulsion | Procede de fabrication d'une structure en carbure de silicium et texture multidirectionnelle en carbure de silicium |
US4385020A (en) * | 1980-03-27 | 1983-05-24 | General Electric Company | Method for making shaped silicon-silicon carbide refractories |
US4417906A (en) * | 1980-07-09 | 1983-11-29 | General Electric Company | Process for production of silicon carbide composite |
US4453951A (en) * | 1980-07-09 | 1984-06-12 | General Electric Co. | Process for the production of silicone carbide composite |
US4353963A (en) * | 1980-12-17 | 1982-10-12 | General Electric Company | Process for cementing diamond to silicon-silicon carbide composite and article produced thereby |
US4448591A (en) * | 1981-01-21 | 1984-05-15 | General Electric Company | Cutting insert having unique cross section |
US4381271A (en) * | 1981-02-02 | 1983-04-26 | General Electric Company | Use of fired fibrous graphite in fabricating polycrystalline diamond and/or cubic boron nitride/silicon carbide/silicon composite bodies |
DE3108259C2 (de) * | 1981-03-05 | 1984-06-28 | Kernforschungsanlage Jülich GmbH, 5170 Jülich | Verfahren zur Herstellung von Siliziumkarbidkörpern |
US4606738A (en) * | 1981-04-01 | 1986-08-19 | General Electric Company | Randomly-oriented polycrystalline silicon carbide coatings for abrasive grains |
JPS58104067A (ja) * | 1981-12-14 | 1983-06-21 | 信越化学工業株式会社 | 耐アルカリ性炭化けい素焼結体とその製造方法 |
US4460382A (en) * | 1981-12-16 | 1984-07-17 | General Electric Company | Brazable layer for indexable cutting insert |
US4544517A (en) * | 1981-12-16 | 1985-10-01 | General Electric Co. | Automatic composite press technique for producing cutting inserts |
US4698070A (en) * | 1981-12-16 | 1987-10-06 | General Electric Company | Cutting insert for interrupted heavy machining |
GB2137975B (en) * | 1983-04-12 | 1986-09-17 | Atomic Energy Authority Uk | Joining silicon carbide bodies |
DE3367764D1 (en) * | 1983-07-29 | 1987-01-08 | Hoechst Ceram Tec Ag | Method of making silicon-infiltrated reaction-bonded silicom carbide bodies |
GB8323994D0 (en) * | 1983-09-07 | 1983-10-12 | Atomic Energy Authority Uk | Reaction-bonded silicon carbide artefacts |
US4971851A (en) * | 1984-02-13 | 1990-11-20 | Hewlett-Packard Company | Silicon carbide film for X-ray masks and vacuum windows |
US4737328A (en) * | 1985-07-29 | 1988-04-12 | General Electric Company | Infiltration of material with silicon |
US4626516A (en) * | 1985-07-31 | 1986-12-02 | General Electric Company | Infiltration of Mo-containing material with silicon |
US4789506A (en) * | 1986-11-07 | 1988-12-06 | Gas Research Institute | Method of producing tubular ceramic articles |
US5015540A (en) * | 1987-06-01 | 1991-05-14 | General Electric Company | Fiber-containing composite |
DE3719606A1 (de) * | 1987-06-12 | 1988-12-22 | Hoechst Ceram Tec Ag | Verfahren zur silicierung von poroesen formkoerpern aus siliciumcarbid oder siliciumcarbid/kohlenstoff |
US5021367A (en) * | 1987-06-25 | 1991-06-04 | General Electric Company | Fiber-containing composite |
US4944904A (en) * | 1987-06-25 | 1990-07-31 | General Electric Company | Method of obtaining a fiber-containing composite |
JPS6440291U (xx) * | 1987-09-04 | 1989-03-10 | ||
US5330854A (en) * | 1987-09-24 | 1994-07-19 | General Electric Company | Filament-containing composite |
US5043303A (en) * | 1987-09-28 | 1991-08-27 | General Electric Company | Filament-containing composite |
US4886682A (en) * | 1987-12-14 | 1989-12-12 | General Electric Company | Process for producing a filament-containing composite in a ceramic matrix |
US4931311A (en) * | 1987-12-21 | 1990-06-05 | General Electric Company | Method of obtaining a filament-containing composite with a boron nitride coated matrix |
US5004034A (en) * | 1988-11-10 | 1991-04-02 | Lanxide Technology Company, Lp | Method of surface bonding materials together by use of a metal matrix composite, and products produced thereby |
US5387299A (en) * | 1988-12-27 | 1995-02-07 | General Electric Company | Ceramic composite containing coated fibrous material |
US4981822A (en) * | 1989-02-17 | 1991-01-01 | General Electric Company | Composite containing coated fibrous material |
US5336350A (en) * | 1989-10-31 | 1994-08-09 | General Electric Company | Process for making composite containing fibrous material |
US5432253A (en) * | 1989-12-18 | 1995-07-11 | General Electric Company | Composite containing fibrous material |
WO1991017279A1 (en) * | 1990-05-09 | 1991-11-14 | Lanxide Technology Company, Lp | Rigidized filler materials for metal matrix composites |
US5316851A (en) * | 1991-06-12 | 1994-05-31 | General Electric Company | Silicon carbide composite with metal boride coated fiber reinforcement |
EP0519641A1 (en) * | 1991-06-17 | 1992-12-23 | General Electric Company | Silicon carbide composite with coated fiber reinforcement and method of forming |
EP0519644B1 (en) * | 1991-06-17 | 1996-12-11 | General Electric Company | Silicon carbide composite with metal nitride coated fiber reinforcement |
US5422322A (en) * | 1993-02-10 | 1995-06-06 | The Stackpole Corporation | Dense, self-sintered silicon carbide/carbon-graphite composite and process for producing same |
US5580834A (en) * | 1993-02-10 | 1996-12-03 | The Morgan Crucible Company Plc | Self-sintered silicon carbide/carbon graphite composite material having interconnected pores which may be impregnated and raw batch and process for producing same |
US5628938A (en) * | 1994-11-18 | 1997-05-13 | General Electric Company | Method of making a ceramic composite by infiltration of a ceramic preform |
US5968653A (en) * | 1996-01-11 | 1999-10-19 | The Morgan Crucible Company, Plc | Carbon-graphite/silicon carbide composite article |
US6024898A (en) * | 1996-12-30 | 2000-02-15 | General Electric Company | Article and method for making complex shaped preform and silicon carbide composite by melt infiltration |
US6398991B1 (en) | 1998-06-25 | 2002-06-04 | Coorstek, Inc. | Processes for making a silicon carbide composition |
JP3722188B2 (ja) | 1999-01-28 | 2005-11-30 | 石川島播磨重工業株式会社 | セラミックス基複合部材及びその製造方法 |
US6403158B1 (en) | 1999-03-05 | 2002-06-11 | General Electric Company | Porous body infiltrating method |
US6335105B1 (en) | 1999-06-21 | 2002-01-01 | General Electric Company | Ceramic superalloy articles |
US20090130435A1 (en) | 1999-07-23 | 2009-05-21 | Aghajanian Michael K | Intermetallic-containing composite bodies, and methods for making same |
US7658781B1 (en) | 1999-07-23 | 2010-02-09 | Marlene Rossing, legal representative | Silicon-containing composite bodies, and methods for making same |
US6503572B1 (en) | 1999-07-23 | 2003-01-07 | M Cubed Technologies, Inc. | Silicon carbide composites and methods for making same |
US20050181209A1 (en) * | 1999-08-20 | 2005-08-18 | Karandikar Prashant G. | Nanotube-containing composite bodies, and methods for making same |
US6395203B1 (en) | 1999-08-30 | 2002-05-28 | General Electric Company | Process for producing low impurity level ceramic |
US8128861B1 (en) | 2000-07-21 | 2012-03-06 | M Cubed Technologies, Inc. | Composite materials and methods for making same |
US6503441B2 (en) | 2001-05-30 | 2003-01-07 | General Electric Company | Method for producing melt-infiltrated ceramic composites using formed supports |
DE10212043B4 (de) * | 2002-03-19 | 2005-05-25 | Sgl Carbon Ag | Verfahren zur Infiltration von porösen Kohlenstoffverbundkörpern, Dochte aus Kohlenstoffmaterial und ihre Verwendung |
DE10231278A1 (de) * | 2002-07-10 | 2004-02-05 | Sgl Carbon Ag | Keramische Verbundkörper |
US6774073B2 (en) | 2002-07-29 | 2004-08-10 | Coorstek, Inc. | Graphite loaded silicon carbide and methods for making |
KR100520436B1 (ko) * | 2003-01-30 | 2005-10-11 | 한국과학기술원 | 탄소/탄소 복합재료의 내산화 복합코팅방법 |
KR100520435B1 (ko) * | 2003-01-30 | 2005-10-11 | 한국과학기술원 | 탄소/탄소 복합재료의 내산화 코팅방법 |
FR2851244B1 (fr) * | 2003-02-17 | 2005-06-17 | Snecma Propulsion Solide | Procede de siliciuration de materiaux composites thermostructuraux et pieces telles qu'obtenues par le procede |
US20060062985A1 (en) * | 2004-04-26 | 2006-03-23 | Karandikar Prashant G | Nanotube-containing composite bodies, and methods for making same |
FR2869609B1 (fr) * | 2004-05-03 | 2006-07-28 | Snecma Propulsion Solide Sa | Procede de fabrication d'une piece en materiau composite thermostructural |
FR2872072B1 (fr) * | 2004-06-24 | 2006-09-29 | Snecma Propulsion Solide Sa | Procede de brasage de pieces en materiau composite thermostructural siliciure |
US8927101B2 (en) * | 2008-09-16 | 2015-01-06 | Diamond Innovations, Inc | Abrasive particles having a unique morphology |
US9751807B2 (en) * | 2012-08-16 | 2017-09-05 | General Electric Company | Consumable core for manufacture of composite articles and related method |
EP2970022B1 (en) | 2013-03-15 | 2019-01-30 | Rolls-Royce Corporation | Melt infiltration wick attachment |
EP2970030B1 (en) | 2013-03-15 | 2019-12-25 | Rolls-Royce Corporation | Melt infiltration apparatus and method for molten metal control |
CN111848201B (zh) * | 2020-07-24 | 2022-09-02 | 西安超码科技有限公司 | 一种具有碳化硅/硅涂层的炭/炭坩埚及其制备方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB713710A (en) * | 1952-06-17 | 1954-08-18 | Arthur Abbey | Improvements in or relating to refractory carbon articles |
US2887393A (en) * | 1956-03-12 | 1959-05-19 | Carborundum Co | Refractory bodies containing boron nitride |
US2943008A (en) * | 1956-07-17 | 1960-06-28 | Electro Refractories & Abrasiv | Refractory articles |
US3035325A (en) * | 1958-02-21 | 1962-05-22 | Carborundum Co | Method of making silicon carbide bodies |
US2992127A (en) * | 1958-12-23 | 1961-07-11 | Texas Instruments Inc | Novel graphite articles and method of making |
US3095316A (en) * | 1959-09-30 | 1963-06-25 | Union Carbide Corp | Process for coating carbonaceous articles with silicon dioxide |
US3131089A (en) * | 1961-01-25 | 1964-04-28 | Union Carbide Corp | Carbon article coated with boron carbide and boron nitride, and process of making the same |
US3246275A (en) * | 1962-06-18 | 1966-04-12 | Kanthal Ab | Electric resistance elements of silicon carbide and metal silicide |
US3458341A (en) * | 1964-08-10 | 1969-07-29 | Gen Electric | Metal boride-metal carbide-graphite deposition |
US3364975A (en) * | 1964-11-24 | 1968-01-23 | Monsanto Co | Process of casting a molten metal with dispersion of fibrous form of beta silicon carbide |
US3462340A (en) * | 1965-07-28 | 1969-08-19 | Us Air Force | Fiber-containing pyrolytic composite material |
US3672936A (en) * | 1968-04-18 | 1972-06-27 | Carborundum Co | Reinforced carbon and graphite articles |
US3796564A (en) * | 1969-06-19 | 1974-03-12 | Carborundum Co | Dense carbide composite bodies and method of making same |
US3725015A (en) * | 1970-06-08 | 1973-04-03 | Norton Co | Process for forming high density refractory shapes and the products resulting therefrom |
US3649432A (en) * | 1970-07-13 | 1972-03-14 | Monsanto Co | Corrugated board constructions |
US3955038A (en) * | 1973-04-09 | 1976-05-04 | Sandvik Aktiebolag | Hard metal body |
US4035541A (en) * | 1975-11-17 | 1977-07-12 | Kennametal Inc. | Sintered cemented carbide body coated with three layers |
-
1976
- 1976-02-23 US US05/660,261 patent/US4120731A/en not_active Expired - Lifetime
-
1977
- 1977-01-28 FR FR7702358A patent/FR2341534A1/fr active Granted
- 1977-01-31 GB GB3805/77A patent/GB1556881A/en not_active Expired
- 1977-02-03 BE BE174632A patent/BE851054A/xx not_active IP Right Cessation
- 1977-02-10 IT IT20154/77A patent/IT1075555B/it active
- 1977-02-18 CA CA272,280A patent/CA1096895A/en not_active Expired
- 1977-02-19 DE DE2760422A patent/DE2760422C2/de not_active Expired
- 1977-02-19 DE DE19772707299 patent/DE2707299A1/de active Granted
- 1977-02-21 NL NLAANVRAGE7701852,A patent/NL184316C/xx not_active IP Right Cessation
- 1977-02-21 CH CH319382A patent/CH641750A5/de not_active IP Right Cessation
- 1977-02-21 CH CH213677A patent/CH636587A5/de not_active IP Right Cessation
- 1977-02-22 NO NO770578A patent/NO145006C/no unknown
- 1977-02-22 JP JP1783777A patent/JPS52121614A/ja active Granted
- 1977-11-07 US US05/849,186 patent/US4148894A/en not_active Expired - Lifetime
-
1980
- 1980-03-10 NO NO800678A patent/NO145836C/no unknown
-
1986
- 1986-03-26 JP JP61066120A patent/JPS61251577A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2707299C2 (xx) | 1989-03-02 |
US4120731A (en) | 1978-10-17 |
FR2341534A1 (fr) | 1977-09-16 |
CA1096895A (en) | 1981-03-03 |
BE851054A (fr) | 1977-08-03 |
CH636587A5 (de) | 1983-06-15 |
FR2341534B1 (xx) | 1982-10-15 |
NO145836C (no) | 1982-06-09 |
US4148894A (en) | 1979-04-10 |
NL7701852A (nl) | 1977-08-25 |
NO145836B (no) | 1982-03-01 |
JPS61251577A (ja) | 1986-11-08 |
CH641750A5 (de) | 1984-03-15 |
JPS6141871B2 (xx) | 1986-09-18 |
NL184316B (nl) | 1989-01-16 |
NO770578L (no) | 1977-08-24 |
NO145006C (no) | 1981-12-28 |
JPS6257595B2 (xx) | 1987-12-01 |
NO800678L (no) | 1977-08-24 |
GB1556881A (en) | 1979-11-28 |
IT1075555B (it) | 1985-04-22 |
NO145006B (no) | 1981-09-14 |
JPS52121614A (en) | 1977-10-13 |
DE2760422C2 (xx) | 1989-12-14 |
DE2707299A1 (de) | 1977-09-15 |
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