FR2439472A1 - Disjoncteur de protection contre les surintensites ayant un mecanisme d'actionnement perfectionne - Google Patents
Disjoncteur de protection contre les surintensites ayant un mecanisme d'actionnement perfectionneInfo
- Publication number
- FR2439472A1 FR2439472A1 FR7925601A FR7925601A FR2439472A1 FR 2439472 A1 FR2439472 A1 FR 2439472A1 FR 7925601 A FR7925601 A FR 7925601A FR 7925601 A FR7925601 A FR 7925601A FR 2439472 A1 FR2439472 A1 FR 2439472A1
- Authority
- FR
- France
- Prior art keywords
- contact
- circuit breaker
- contacts
- force
- protection circuit
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
- H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
- H01H77/10—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
- H01H77/102—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by special mounting of contact arm, allowing blow-off movement
- H01H77/104—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by special mounting of contact arm, allowing blow-off movement with a stable blow-off position
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
- Lock And Its Accessories (AREA)
Abstract
DISJONCTEUR DE PROTECTION CONTRE LES SURINTENSITES AYANT UN MECANISME D'ACTIONNEMENT PERFECTIONNE. DISJONCTEUR ELECTRIQUE COMPORTANT DES MOYENS POUR ENGENDRER UNE FORCE ELECTRODYNAMIQUE TENDANT A OUVRIR LES CONTACTS QUAND SURVIENT UNE FORTE SURINTENSITE. IL COMPREND DES MOYENS DE SUPPORT 20, 58 MONTES A PIVOTEMENT, PORTANT UN CONTACT 16 COOPERANT AVEC UN AUTRE CONTACT 18 ET QUI EST SOUMIS A LADITE FORCE ELECTRODYNAMIQUE, ET UN ORGANE 70 CHARGE PAR UN RESSORT QUI COOPERE AVEC UNE SURFACE 74 DES MOYENS DE SUPPORT DU CONTACT POUR APPLIQUER A CEUX-CI UNE FORCE DE FERMETURE QUAND LES CONTACTS SONT FERMES ET QUI PENDANT LA SEPARATION DES CONTACTS SOUS L'EFFET DE LADITE FORCE ELECTRODYNAMIQUE, LA FAIT REPOSER CONTRE UNE AUTRE SURFACE 86 DESDITS MOYENS DE SUPPORT DU CONTACT EN APPLIQUANT UNE FORCE DE VERROUILLAGE QUI EMPECHE UN MOUVEMENT DE RETOUR PREMATURE DUDIT CONTACT 16 DANS LA DIRECTION DE FERMETURE DES CONTACTS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/951,939 US4259651A (en) | 1978-10-16 | 1978-10-16 | Current limiting circuit interrupter with improved operating mechanism |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2439472A1 true FR2439472A1 (fr) | 1980-05-16 |
FR2439472B1 FR2439472B1 (fr) | 1985-03-15 |
Family
ID=25492359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7925601A Granted FR2439472A1 (fr) | 1978-10-16 | 1979-10-15 | Disjoncteur de protection contre les surintensites ayant un mecanisme d'actionnement perfectionne |
Country Status (17)
Country | Link |
---|---|
US (1) | US4259651A (fr) |
JP (1) | JPS5556329A (fr) |
AR (1) | AR220582A1 (fr) |
AU (1) | AU533385B2 (fr) |
BE (1) | BE879428A (fr) |
BR (1) | BR7906622A (fr) |
CA (1) | CA1130348A (fr) |
CH (1) | CH647618A5 (fr) |
DE (1) | DE2940692A1 (fr) |
ES (1) | ES485009A1 (fr) |
FR (1) | FR2439472A1 (fr) |
GB (1) | GB2033663B (fr) |
IT (1) | IT1124340B (fr) |
MX (1) | MX145705A (fr) |
PH (1) | PH17205A (fr) |
PL (1) | PL218990A1 (fr) |
ZA (1) | ZA795246B (fr) |
Families Citing this family (98)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4346358A (en) * | 1981-01-16 | 1982-08-24 | General Electric Company | Contact pop responsive latch release for circuit breakers |
DE3208009A1 (de) * | 1982-03-05 | 1983-09-08 | Siemens AG, 1000 Berlin und 8000 München | Schnellschalter |
US4485283A (en) * | 1982-08-27 | 1984-11-27 | General Electric Company | Current limiter unit |
US4567455A (en) * | 1983-04-28 | 1986-01-28 | Mitsubishi Denki K.K. | Circuit interrupter |
EP0124885B1 (fr) * | 1983-05-09 | 1992-12-09 | CGE- COMPAGNIA GENERALE ELETTROMECCANICA S.p.A. | Structure de contact d'un interrupteur |
US4660009A (en) * | 1985-07-29 | 1987-04-21 | Westinghouse Electric Corp. | Modular integral circuit interrupter |
US4638277A (en) * | 1985-10-01 | 1987-01-20 | Westinghouse Electric Corp. | Circuit breaker with blow open latch |
US4650946A (en) * | 1985-11-27 | 1987-03-17 | Westinghouse Electric Corp. | Circuit breaker with stop plate for contact arm |
US4916419A (en) * | 1986-10-24 | 1990-04-10 | Square D Company | Circuit breaker contact assembly |
WO1988003324A1 (fr) * | 1986-10-24 | 1988-05-05 | Square D Company | Coupe-circuit avec contact |
DE3708807A1 (de) * | 1987-03-18 | 1988-10-06 | Licentia Gmbh | Elektrischer leistungsschalter mit einem elektro-dynamisch oeffnenden kontaktsystem |
US4806893A (en) * | 1988-03-03 | 1989-02-21 | General Electric Company | Molded case circuit breaker actuator-accessory unit |
US5361051A (en) * | 1988-12-16 | 1994-11-01 | Siemens Energy & Automation, Inc. | Pivoting circuit breaker contact arm assembly |
DE3901852A1 (de) * | 1989-01-23 | 1990-07-26 | Kloeckner Moeller Elektrizit | Kontaktsystem fuer strombegrenzende leistungsschalter |
WO1991000609A1 (fr) * | 1989-06-30 | 1991-01-10 | Hitachi, Ltd. | Disjoncteur |
US5021819A (en) * | 1990-08-06 | 1991-06-04 | General Electric Company | Circuit breaker with positive over-center acceleration |
JPH0621469U (ja) * | 1992-07-30 | 1994-03-22 | 株式会社山口文紙 | 携帯用花束収納袋 |
IT1292453B1 (it) | 1997-07-02 | 1999-02-08 | Aeg Niederspannungstech Gmbh | Gruppo rotante di contatti per interrutttori di alta portata |
US5994988A (en) * | 1997-09-23 | 1999-11-30 | Siemens Energy & Automation, Inc. | Movable contact structure for a circuit breaker, including crossbar and spring biased cam mechanism |
US5926081A (en) * | 1997-09-23 | 1999-07-20 | Siemens Energy & Automation, Inc. | Circuit breaker having a cam structure which aids blow open operation |
DE19819242B4 (de) | 1998-04-29 | 2005-11-10 | Ge Power Controls Polska Sp.Z.O.O. | Thermomagnetischer Leistungsschalter |
US6114641A (en) * | 1998-05-29 | 2000-09-05 | General Electric Company | Rotary contact assembly for high ampere-rated circuit breakers |
US6084489A (en) * | 1998-09-08 | 2000-07-04 | General Electric Company | Circuit breaker rotary contact assembly locking system |
US6087913A (en) * | 1998-11-20 | 2000-07-11 | General Electric Company | Circuit breaker mechanism for a rotary contact system |
US6037555A (en) * | 1999-01-05 | 2000-03-14 | General Electric Company | Rotary contact circuit breaker venting arrangement including current transformer |
US6166344A (en) * | 1999-03-23 | 2000-12-26 | General Electric Company | Circuit breaker handle block |
US6262872B1 (en) | 1999-06-03 | 2001-07-17 | General Electric Company | Electronic trip unit with user-adjustable sensitivity to current spikes |
US6268991B1 (en) | 1999-06-25 | 2001-07-31 | General Electric Company | Method and arrangement for customizing electronic circuit interrupters |
US6218917B1 (en) | 1999-07-02 | 2001-04-17 | General Electric Company | Method and arrangement for calibration of circuit breaker thermal trip unit |
US6188036B1 (en) | 1999-08-03 | 2001-02-13 | General Electric Company | Bottom vented circuit breaker capable of top down assembly onto equipment |
US6252365B1 (en) | 1999-08-17 | 2001-06-26 | General Electric Company | Breaker/starter with auto-configurable trip unit |
US6710988B1 (en) | 1999-08-17 | 2004-03-23 | General Electric Company | Small-sized industrial rated electric motor starter switch unit |
US6396369B1 (en) | 1999-08-27 | 2002-05-28 | General Electric Company | Rotary contact assembly for high ampere-rated circuit breakers |
US6175288B1 (en) | 1999-08-27 | 2001-01-16 | General Electric Company | Supplemental trip unit for rotary circuit interrupters |
US6232570B1 (en) | 1999-09-16 | 2001-05-15 | General Electric Company | Arcing contact arrangement |
US6326869B1 (en) | 1999-09-23 | 2001-12-04 | General Electric Company | Clapper armature system for a circuit breaker |
US6239395B1 (en) | 1999-10-14 | 2001-05-29 | General Electric Company | Auxiliary position switch assembly for a circuit breaker |
US6229413B1 (en) | 1999-10-19 | 2001-05-08 | General Electric Company | Support of stationary conductors for a circuit breaker |
US6317018B1 (en) | 1999-10-26 | 2001-11-13 | General Electric Company | Circuit breaker mechanism |
US6232856B1 (en) | 1999-11-02 | 2001-05-15 | General Electric Company | Magnetic shunt assembly |
US6377144B1 (en) | 1999-11-03 | 2002-04-23 | General Electric Company | Molded case circuit breaker base and mid-cover assembly |
ES2249875T3 (es) | 1999-11-03 | 2006-04-01 | AEG NIEDERSPANNUNGSTECHNIK GMBH & CO. KG | Disposicion de brazo de contacto rotatorio para disyuntor. |
US6300586B1 (en) | 1999-12-09 | 2001-10-09 | General Electric Company | Arc runner retaining feature |
US6310307B1 (en) | 1999-12-17 | 2001-10-30 | General Electric Company | Circuit breaker rotary contact arm arrangement |
US6184761B1 (en) | 1999-12-20 | 2001-02-06 | General Electric Company | Circuit breaker rotary contact arrangement |
US6172584B1 (en) | 1999-12-20 | 2001-01-09 | General Electric Company | Circuit breaker accessory reset system |
US6215379B1 (en) | 1999-12-23 | 2001-04-10 | General Electric Company | Shunt for indirectly heated bimetallic strip |
US6281461B1 (en) | 1999-12-27 | 2001-08-28 | General Electric Company | Circuit breaker rotor assembly having arc prevention structure |
US6346869B1 (en) | 1999-12-28 | 2002-02-12 | General Electric Company | Rating plug for circuit breakers |
US6211758B1 (en) | 2000-01-11 | 2001-04-03 | General Electric Company | Circuit breaker accessory gap control mechanism |
US6239677B1 (en) | 2000-02-10 | 2001-05-29 | General Electric Company | Circuit breaker thermal magnetic trip unit |
US6429759B1 (en) | 2000-02-14 | 2002-08-06 | General Electric Company | Split and angled contacts |
US6281458B1 (en) | 2000-02-24 | 2001-08-28 | General Electric Company | Circuit breaker auxiliary magnetic trip unit with pressure sensitive release |
US6313425B1 (en) | 2000-02-24 | 2001-11-06 | General Electric Company | Cassette assembly with rejection features |
US6404314B1 (en) | 2000-02-29 | 2002-06-11 | General Electric Company | Adjustable trip solenoid |
US6204743B1 (en) | 2000-02-29 | 2001-03-20 | General Electric Company | Dual connector strap for a rotary contact circuit breaker |
US6448521B1 (en) | 2000-03-01 | 2002-09-10 | General Electric Company | Blocking apparatus for circuit breaker contact structure |
US6340925B1 (en) | 2000-03-01 | 2002-01-22 | General Electric Company | Circuit breaker mechanism tripping cam |
US6346868B1 (en) | 2000-03-01 | 2002-02-12 | General Electric Company | Circuit interrupter operating mechanism |
US6379196B1 (en) * | 2000-03-01 | 2002-04-30 | General Electric Company | Terminal connector for a circuit breaker |
US6459349B1 (en) | 2000-03-06 | 2002-10-01 | General Electric Company | Circuit breaker comprising a current transformer with a partial air gap |
US6211757B1 (en) | 2000-03-06 | 2001-04-03 | General Electric Company | Fast acting high force trip actuator |
US6366438B1 (en) | 2000-03-06 | 2002-04-02 | General Electric Company | Circuit interrupter rotary contact arm |
US6496347B1 (en) | 2000-03-08 | 2002-12-17 | General Electric Company | System and method for optimization of a circuit breaker mechanism |
US6429659B1 (en) | 2000-03-09 | 2002-08-06 | General Electric Company | Connection tester for an electronic trip unit |
US6369340B1 (en) | 2000-03-10 | 2002-04-09 | General Electric Company | Circuit breaker mechanism for a contact system |
US6232859B1 (en) | 2000-03-15 | 2001-05-15 | General Electric Company | Auxiliary switch mounting configuration for use in a molded case circuit breaker |
US6218919B1 (en) | 2000-03-15 | 2001-04-17 | General Electric Company | Circuit breaker latch mechanism with decreased trip time |
US6366188B1 (en) | 2000-03-15 | 2002-04-02 | General Electric Company | Accessory and recess identification system for circuit breakers |
US6459059B1 (en) * | 2000-03-16 | 2002-10-01 | General Electric Company | Return spring for a circuit interrupter operating mechanism |
US6421217B1 (en) | 2000-03-16 | 2002-07-16 | General Electric Company | Circuit breaker accessory reset system |
FR2806548B1 (fr) | 2000-03-17 | 2002-08-23 | Ge Power Controls France | Mecanisme extractible pour disjoncteurs |
US6373010B1 (en) | 2000-03-17 | 2002-04-16 | General Electric Company | Adjustable energy storage mechanism for a circuit breaker motor operator |
US6476698B1 (en) | 2000-03-17 | 2002-11-05 | General Electric Company | Convertible locking arrangement on breakers |
US6472620B2 (en) | 2000-03-17 | 2002-10-29 | Ge Power Controls France Sas | Locking arrangement for circuit breaker draw-out mechanism |
US6586693B2 (en) | 2000-03-17 | 2003-07-01 | General Electric Company | Self compensating latch arrangement |
US6388213B1 (en) | 2000-03-17 | 2002-05-14 | General Electric Company | Locking device for molded case circuit breakers |
US6639168B1 (en) | 2000-03-17 | 2003-10-28 | General Electric Company | Energy absorbing contact arm stop |
US6559743B2 (en) | 2000-03-17 | 2003-05-06 | General Electric Company | Stored energy system for breaker operating mechanism |
US6479774B1 (en) | 2000-03-17 | 2002-11-12 | General Electric Company | High energy closing mechanism for circuit breakers |
US6747535B2 (en) | 2000-03-27 | 2004-06-08 | General Electric Company | Precision location system between actuator accessory and mechanism |
US6995640B2 (en) * | 2000-05-16 | 2006-02-07 | General Electric Company | Pressure sensitive trip mechanism for circuit breakers |
US6373357B1 (en) * | 2000-05-16 | 2002-04-16 | General Electric Company | Pressure sensitive trip mechanism for a rotary breaker |
US6400245B1 (en) | 2000-10-13 | 2002-06-04 | General Electric Company | Draw out interlock for circuit breakers |
US6429760B1 (en) | 2000-10-19 | 2002-08-06 | General Electric Company | Cross bar for a conductor in a rotary breaker |
US6531941B1 (en) | 2000-10-19 | 2003-03-11 | General Electric Company | Clip for a conductor in a rotary breaker |
US6806800B1 (en) | 2000-10-19 | 2004-10-19 | General Electric Company | Assembly for mounting a motor operator on a circuit breaker |
US6362711B1 (en) | 2000-11-10 | 2002-03-26 | General Electric Company | Circuit breaker cover with screw locating feature |
US6380829B1 (en) | 2000-11-21 | 2002-04-30 | General Electric Company | Motor operator interlock and method for circuit breakers |
US6448522B1 (en) | 2001-01-30 | 2002-09-10 | General Electric Company | Compact high speed motor operator for a circuit breaker |
US6476337B2 (en) | 2001-02-26 | 2002-11-05 | General Electric Company | Auxiliary switch actuation arrangement |
US6882258B2 (en) * | 2001-02-27 | 2005-04-19 | General Electric Company | Mechanical bell alarm assembly for a circuit breaker |
US6678135B2 (en) * | 2001-09-12 | 2004-01-13 | General Electric Company | Module plug for an electronic trip unit |
US6469882B1 (en) | 2001-10-31 | 2002-10-22 | General Electric Company | Current transformer initial condition correction |
US6804101B2 (en) | 2001-11-06 | 2004-10-12 | General Electric Company | Digital rating plug for electronic trip unit in circuit breakers |
US20150069021A1 (en) * | 2013-09-11 | 2015-03-12 | Siemens Industry, Inc. | Apparatus and method for reducing electrical arcing in a circuit breaker while transitioning to a closed circuit condition |
DE102014107265B4 (de) * | 2014-05-22 | 2020-01-02 | Eaton Intelligent Power Limited | Schaltgerät |
EP3206219B1 (fr) * | 2016-02-10 | 2019-07-03 | ABB S.p.A. | Dispositif de commutation pour installations électriques basse tension |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR630059A (fr) * | 1926-03-26 | 1927-11-23 | Thomson Houston Comp Francaise | Perfectionnements apportés aux interrupteurs et aux disjoncteurs particulièrement applicables aux contacteurs |
FR1232636A (fr) * | 1958-07-30 | 1960-10-11 | Licentia Gmbh | Interrupteur approprié de préférence à de grandes intensités de courant, par exemple disjoncteur commandé électromagnétiquement par un déclencheur instantané ou un élément analogue |
FR1388492A (fr) * | 1963-04-11 | 1965-02-05 | Licentia Gmbh | Disjoncteur, de préférence pour intensités élevées, à déclencheurs électromagnétiques et thermiques et à limitation de courant |
US3469216A (en) * | 1966-07-12 | 1969-09-23 | Nikko Electric Mfg Co Ltd | High speed current limiting circuit breaker utilizing electromagnetic repulsion |
DE2231179A1 (de) * | 1972-06-26 | 1974-01-17 | Bbc Brown Boveri & Cie | Leistungsschalter in ein- oder mehrpoliger ausfuehrung |
DE2808602A1 (de) * | 1977-08-18 | 1979-03-01 | Gould Inc | Schaltvorrichtung mit antiprellverklinkung |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3343108A (en) * | 1965-12-10 | 1967-09-19 | Terasaki Denki Sangyo Kk | High speed circuit interrupter using magnetic blowoff and means for decreasing the inertial effects during interruption |
NL142271B (nl) * | 1967-01-27 | 1974-05-15 | Terasaki Denki Sangyo Kk | Automatische schakelinrichting met beweegbare contactstangen openend onder invloed van elektrodynamische krachten. |
US3663903A (en) * | 1971-05-20 | 1972-05-16 | Ite Imperial Corp | Tripping system for circuit breaker |
DE2128633A1 (de) * | 1971-06-09 | 1973-01-04 | Bbc Brown Boveri & Cie | Selbstschalter mit magnetischer und elektrodynamischer kurzschlussausloesung |
-
1978
- 1978-10-16 US US05/951,939 patent/US4259651A/en not_active Expired - Lifetime
-
1979
- 1979-09-28 GB GB7933825A patent/GB2033663B/en not_active Expired
- 1979-10-02 ZA ZA00795246A patent/ZA795246B/xx unknown
- 1979-10-05 MX MX179535A patent/MX145705A/es unknown
- 1979-10-05 PH PH23129A patent/PH17205A/en unknown
- 1979-10-08 DE DE19792940692 patent/DE2940692A1/de active Granted
- 1979-10-10 AU AU51670/79A patent/AU533385B2/en not_active Expired
- 1979-10-10 CA CA337,284A patent/CA1130348A/fr not_active Expired
- 1979-10-15 BR BR7906622A patent/BR7906622A/pt not_active IP Right Cessation
- 1979-10-15 IT IT41622/79A patent/IT1124340B/it active
- 1979-10-15 CH CH9265/79A patent/CH647618A5/de not_active IP Right Cessation
- 1979-10-15 ES ES485009A patent/ES485009A1/es not_active Expired
- 1979-10-15 BE BE0/197659A patent/BE879428A/fr not_active IP Right Cessation
- 1979-10-15 FR FR7925601A patent/FR2439472A1/fr active Granted
- 1979-10-16 PL PL21899079A patent/PL218990A1/xx unknown
- 1979-10-16 JP JP13251979A patent/JPS5556329A/ja active Granted
- 1979-10-16 AR AR278523A patent/AR220582A1/es active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR630059A (fr) * | 1926-03-26 | 1927-11-23 | Thomson Houston Comp Francaise | Perfectionnements apportés aux interrupteurs et aux disjoncteurs particulièrement applicables aux contacteurs |
FR1232636A (fr) * | 1958-07-30 | 1960-10-11 | Licentia Gmbh | Interrupteur approprié de préférence à de grandes intensités de courant, par exemple disjoncteur commandé électromagnétiquement par un déclencheur instantané ou un élément analogue |
FR1388492A (fr) * | 1963-04-11 | 1965-02-05 | Licentia Gmbh | Disjoncteur, de préférence pour intensités élevées, à déclencheurs électromagnétiques et thermiques et à limitation de courant |
US3469216A (en) * | 1966-07-12 | 1969-09-23 | Nikko Electric Mfg Co Ltd | High speed current limiting circuit breaker utilizing electromagnetic repulsion |
DE2231179A1 (de) * | 1972-06-26 | 1974-01-17 | Bbc Brown Boveri & Cie | Leistungsschalter in ein- oder mehrpoliger ausfuehrung |
DE2808602A1 (de) * | 1977-08-18 | 1979-03-01 | Gould Inc | Schaltvorrichtung mit antiprellverklinkung |
US4144513A (en) * | 1977-08-18 | 1979-03-13 | Gould Inc. | Anti-rebound latch for current limiting switches |
FR2400761A1 (fr) * | 1977-08-18 | 1979-03-16 | Gould Inc | Systeme de verrouillage anti-rebond pour des interrupteurs de limitation de courant |
GB1550573A (en) * | 1977-08-18 | 1979-08-15 | Gould Inc | Current limiting switch with an anti-rebound latch |
CA1086361A (fr) * | 1977-08-18 | 1980-09-23 | G. Erich Heberlein, Jr. | Verrou anti-rebondissement pour commutateurs de limitation de courant |
Also Published As
Publication number | Publication date |
---|---|
GB2033663A (en) | 1980-05-21 |
GB2033663B (en) | 1983-03-23 |
JPS5556329A (en) | 1980-04-25 |
ZA795246B (en) | 1980-09-24 |
AR220582A1 (es) | 1980-11-14 |
BR7906622A (pt) | 1980-06-24 |
DE2940692C2 (fr) | 1989-06-08 |
CH647618A5 (de) | 1985-01-31 |
PH17205A (en) | 1984-06-19 |
IT1124340B (it) | 1986-05-07 |
FR2439472B1 (fr) | 1985-03-15 |
CA1130348A (fr) | 1982-08-24 |
DE2940692A1 (de) | 1980-04-24 |
PL218990A1 (fr) | 1980-08-11 |
MX145705A (es) | 1982-03-24 |
AU533385B2 (en) | 1983-11-24 |
BE879428A (fr) | 1980-04-15 |
ES485009A1 (es) | 1980-10-01 |
AU5167079A (en) | 1980-05-22 |
JPS629970B2 (fr) | 1987-03-03 |
IT7941622A0 (it) | 1979-10-15 |
US4259651A (en) | 1981-03-31 |
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