BE897954A - Interrupteur electrique avec arret de course du levier de commande en cas de soudure des contacts - Google Patents
Interrupteur electrique avec arret de course du levier de commande en cas de soudure des contacts Download PDFInfo
- Publication number
- BE897954A BE897954A BE0/211675A BE211675A BE897954A BE 897954 A BE897954 A BE 897954A BE 0/211675 A BE0/211675 A BE 0/211675A BE 211675 A BE211675 A BE 211675A BE 897954 A BE897954 A BE 897954A
- Authority
- BE
- Belgium
- Prior art keywords
- contacts
- control lever
- fixed
- movable contacts
- arms
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/501—Means for breaking welded contacts; Indicating contact welding or other malfunction of the circuit breaker
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
- H01H2009/288—Provisions relating to welded contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/501—Means for breaking welded contacts; Indicating contact welding or other malfunction of the circuit breaker
- H01H2071/502—Means for breaking welded contacts; Indicating contact welding or other malfunction of the circuit breaker with direct contact between manual operator and welded contact structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
- H01H71/522—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism
- H01H71/525—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism comprising a toggle between cradle and contact arm and mechanism spring acting between handle and toggle knee
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
- H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
- H01H9/282—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock and a separate part mounted or mountable on the switch assembly and movable between an unlocking position and a locking position where it can be secured by the padlock
-
- 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
- Y10S200/00—Electricity: circuit makers and breakers
- Y10S200/42—Contact welding considerations
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Mechanisms For Operating Contacts (AREA)
- Breakers (AREA)
- Push-Button Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8223118U IT8223118V0 (it) | 1982-10-07 | 1982-10-07 | Interruttore elettrico con arresto della corsa della leva di comando in caso di saldatura dei contatti. |
Publications (1)
Publication Number | Publication Date |
---|---|
BE897954A true BE897954A (fr) | 1984-01-30 |
Family
ID=11203981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/211675A BE897954A (fr) | 1982-10-07 | 1983-10-07 | Interrupteur electrique avec arret de course du levier de commande en cas de soudure des contacts |
Country Status (11)
Country | Link |
---|---|
US (1) | US4546224A (es) |
JP (1) | JPS5987732A (es) |
BE (1) | BE897954A (es) |
CH (1) | CH655405B (es) |
DE (1) | DE3336207C3 (es) |
ES (1) | ES283352Y (es) |
FR (1) | FR2534412B1 (es) |
GB (1) | GB2128411B (es) |
IT (1) | IT8223118V0 (es) |
NL (1) | NL8303433A (es) |
SE (1) | SE453545B (es) |
Families Citing this family (101)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0735280Y2 (ja) * | 1985-01-28 | 1995-08-09 | 三菱電機株式会社 | 回路しや断器 |
US4650944A (en) * | 1985-07-18 | 1987-03-17 | Westinghouse Electric Corp. | Molded case circuit breaker with an improved operating mechanism having a pivot-transfer trip-free linkage |
DE3802184A1 (de) * | 1988-01-26 | 1989-08-03 | Licentia Gmbh | Niederspannungsschalter mit sperrlaschen |
JPH07109746B2 (ja) * | 1989-01-06 | 1995-11-22 | 富士電機株式会社 | 回路遮断器の開閉機構 |
US4951019A (en) * | 1989-03-30 | 1990-08-21 | Westinghouse Electric Corp. | Electrical circuit breaker operating handle block |
FR2650701B1 (fr) * | 1989-08-03 | 1995-12-15 | Merlin Gerin | Disjoncteur ou interrupteur modulaire equipe d'un module de sectionnement |
JP2669905B2 (ja) * | 1989-09-01 | 1997-10-29 | ファナック株式会社 | リレーの溶着検出方法 |
JP2655736B2 (ja) * | 1990-02-23 | 1997-09-24 | 松下電工株式会社 | 回路しゃ断器 |
US5270564A (en) * | 1990-04-03 | 1993-12-14 | Westinghouse Electric Corp. | Circuit breaker positive off interlock |
US5142112A (en) * | 1990-04-03 | 1992-08-25 | Westinghouse Electric Corp. | Circuit breaker positive off interlock |
DE4013840A1 (de) * | 1990-04-30 | 1991-10-31 | Felten & Guilleaume Energie | Schaltmechanismus fuer niederspannungsschaltgeraete |
US5120921A (en) * | 1990-09-27 | 1992-06-09 | Siemens Energy & Automation, Inc. | Circuit breaker including improved handle indication of contact position |
US5184717A (en) * | 1991-05-29 | 1993-02-09 | Westinghouse Electric Corp. | Circuit breaker with welded contacts |
US5213206A (en) * | 1991-05-29 | 1993-05-25 | Westinghouse Electric Corp. | Circuit breaker with positive on/off interlock |
US5264673A (en) * | 1991-10-03 | 1993-11-23 | Eaton Corporation | Circuit interrupter with center trip position and alarm |
FR2704354B1 (fr) * | 1993-04-20 | 1995-06-23 | Merlin Gerin | Mecanisme de commande d'un disjoncteur electrique modulaire. |
US5361052A (en) * | 1993-07-02 | 1994-11-01 | General Electric Company | Industrial-rated circuit breaker having universal application |
DE9401785U1 (de) * | 1994-02-03 | 1995-07-20 | Klöckner-Moeller GmbH, 53115 Bonn | Schaltschloß mit einem Sperrmechanismus |
IT1292453B1 (it) | 1997-07-02 | 1999-02-08 | Aeg Niederspannungstech Gmbh | Gruppo rotante di contatti per interrutttori di alta portata |
US6028274A (en) * | 1998-02-10 | 2000-02-22 | Harris; Timothy S. | Fail-safe switch |
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 |
JP3057155B2 (ja) * | 1998-08-07 | 2000-06-26 | 寺崎電気産業株式会社 | 回路遮断器 |
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 |
US6710988B1 (en) | 1999-08-17 | 2004-03-23 | General Electric Company | Small-sized industrial rated electric motor starter switch unit |
US6252365B1 (en) | 1999-08-17 | 2001-06-26 | General Electric Company | Breaker/starter with auto-configurable trip unit |
US6396369B1 (en) | 1999-08-27 | 2002-05-28 | General Electric Company | Rotary contact assembly for high ampere-rated circuit breakers |
US6259342B1 (en) * | 1999-08-27 | 2001-07-10 | Eaton Corporation | Circuit interrupter with improved welded contact interlock |
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 |
EP1098343B1 (en) | 1999-11-03 | 2005-09-21 | AEG Niederspannungstechnik GmbH & Co. KG | Circuit breaker rotary contact arm arrangement |
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 |
US6172584B1 (en) | 1999-12-20 | 2001-01-09 | General Electric Company | Circuit breaker accessory reset system |
US6184761B1 (en) | 1999-12-20 | 2001-02-06 | General Electric Company | Circuit breaker rotary contact arrangement |
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 |
US6313425B1 (en) | 2000-02-24 | 2001-11-06 | General Electric Company | Cassette assembly with rejection features |
US6281458B1 (en) | 2000-02-24 | 2001-08-28 | General Electric Company | Circuit breaker auxiliary magnetic trip unit with pressure sensitive release |
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 |
US6379196B1 (en) | 2000-03-01 | 2002-04-30 | General Electric Company | Terminal connector for a circuit breaker |
US6346868B1 (en) | 2000-03-01 | 2002-02-12 | General Electric Company | Circuit interrupter operating mechanism |
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 |
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 |
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 |
US6232859B1 (en) | 2000-03-15 | 2001-05-15 | General Electric Company | Auxiliary switch mounting configuration for use in a molded case circuit breaker |
US6421217B1 (en) | 2000-03-16 | 2002-07-16 | General Electric Company | Circuit breaker accessory reset system |
US6459059B1 (en) | 2000-03-16 | 2002-10-01 | General Electric Company | Return spring for a circuit interrupter operating mechanism |
US6559743B2 (en) | 2000-03-17 | 2003-05-06 | General Electric Company | Stored energy system for breaker operating mechanism |
US6586693B2 (en) | 2000-03-17 | 2003-07-01 | General Electric Company | Self compensating latch arrangement |
US6479774B1 (en) | 2000-03-17 | 2002-11-12 | General Electric Company | High energy closing mechanism for circuit breakers |
US6639168B1 (en) | 2000-03-17 | 2003-10-28 | General Electric Company | Energy absorbing contact arm stop |
FR2806548B1 (fr) | 2000-03-17 | 2002-08-23 | Ge Power Controls France | Mecanisme extractible pour disjoncteurs |
US6388213B1 (en) | 2000-03-17 | 2002-05-14 | General Electric Company | Locking device for molded case circuit breakers |
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 |
US6373010B1 (en) | 2000-03-17 | 2002-04-16 | General Electric Company | Adjustable energy storage mechanism for a circuit breaker motor operator |
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 |
US6531941B1 (en) | 2000-10-19 | 2003-03-11 | General Electric Company | Clip for a conductor in a rotary breaker |
US6429760B1 (en) | 2000-10-19 | 2002-08-06 | General Electric Company | Cross bar 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 |
DE10129498C1 (de) * | 2001-06-19 | 2003-03-06 | Moeller Gmbh | Mehrpoliges elektrisches Schaltgerät mit Schaltschloss |
US6678135B2 (en) | 2001-09-12 | 2004-01-13 | General Electric Company | Module plug for an electronic trip unit |
DE10145059C1 (de) * | 2001-09-13 | 2003-03-13 | Moeller Gmbh | Schaltgerät |
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 |
DE102009007475A1 (de) * | 2009-01-30 | 2010-08-05 | Siemens Aktiengesellschaft | Schaltmechanismus für ein Schaltgerät mit einem bei einem verschweißten Kontaktglied und bei einer Öffnungsbetätigung in einer Zwischenschaltstellung verbleibenden Schalthebel |
DE102010020987B4 (de) * | 2010-05-19 | 2012-04-05 | Eaton Industries Gmbh | Leistungsschalter mit Abschließvorrichtung |
DE102012202085A1 (de) | 2012-02-13 | 2013-08-14 | Siemens Aktiengesellschaft | Schaltvorrichtung |
CN104205275B (zh) * | 2012-03-12 | 2017-10-20 | 西门子公司 | 断路器防脱扣装置、系统和操作方法 |
US10984974B2 (en) * | 2018-12-20 | 2021-04-20 | Schneider Electric USA, Inc. | Line side power, double break, switch neutral electronic circuit breaker |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB779624A (en) * | 1954-08-24 | 1957-07-24 | Herbert Werner Wolff | Improvements relating to electric circuit-breakers |
FR1212634A (fr) * | 1957-12-23 | 1960-03-24 | Perfectionnements aux disjoncteurs, commutateurs et similaires | |
US3197582A (en) * | 1962-07-30 | 1965-07-27 | Fed Pacific Electric Co | Enclosed circuit interrupter |
US3464040A (en) * | 1967-09-21 | 1969-08-26 | Gen Electric | Compact circuit breaker construction |
US3525959A (en) * | 1968-12-05 | 1970-08-25 | Westinghouse Electric Corp | Circuit breaker with improved latch reset |
US3605052A (en) * | 1970-01-22 | 1971-09-14 | Gen Electric | Avoidance of switching device false off handle indication |
US3614685A (en) * | 1970-02-06 | 1971-10-19 | Westinghouse Electric Corp | Circuit breaker with handle-indicating means |
US3849751A (en) * | 1973-02-06 | 1974-11-19 | Cutler Hammer Inc | Electric circuit breakers |
US3849747A (en) * | 1973-11-28 | 1974-11-19 | Westinghouse Electric Corp | Circuit breaker with handle indicating means |
FR2262859B1 (es) * | 1974-03-01 | 1977-09-23 | Merlin Gerin | |
FR2360171A1 (fr) * | 1976-07-30 | 1978-02-24 | Unelec | Mecanisme de commande de disjoncteur |
DE2831135B1 (de) * | 1978-07-13 | 1979-11-15 | Siemens Ag | Niederspannungs-Schutzschalter mit einem Isolierstoffgehaeuse |
DE3033213C2 (de) * | 1980-08-29 | 1982-10-21 | Siemens AG, 1000 Berlin und 8000 München | Niederspannungs-Schutzschalter mit einem Sperrhebel |
DE8023509U1 (de) * | 1980-08-29 | 1980-11-27 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Niederspannungs-Schutzschalter für Sperrhebel |
JPS58201222A (ja) * | 1982-05-20 | 1983-11-24 | 寺崎電気産業株式会社 | 電気開閉器 |
-
1982
- 1982-10-07 IT IT8223118U patent/IT8223118V0/it unknown
-
1983
- 1983-10-03 US US06/538,754 patent/US4546224A/en not_active Expired - Fee Related
- 1983-10-04 CH CH539683A patent/CH655405B/it unknown
- 1983-10-05 DE DE19833336207 patent/DE3336207C3/de not_active Expired
- 1983-10-05 GB GB08326634A patent/GB2128411B/en not_active Expired
- 1983-10-05 SE SE8305469A patent/SE453545B/sv not_active IP Right Cessation
- 1983-10-06 NL NL8303433A patent/NL8303433A/nl not_active Application Discontinuation
- 1983-10-07 JP JP58187170A patent/JPS5987732A/ja active Pending
- 1983-10-07 BE BE0/211675A patent/BE897954A/fr not_active IP Right Cessation
- 1983-10-07 FR FR8316013A patent/FR2534412B1/fr not_active Expired
- 1983-10-07 ES ES1983283352U patent/ES283352Y/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2534412A1 (fr) | 1984-04-13 |
DE3336207C2 (de) | 1985-12-05 |
SE8305469L (sv) | 1984-04-08 |
JPS5987732A (ja) | 1984-05-21 |
FR2534412B1 (fr) | 1987-02-27 |
CH655405B (es) | 1986-04-15 |
SE453545B (sv) | 1988-02-08 |
DE3336207A1 (de) | 1984-04-12 |
DE3336207C3 (de) | 1989-07-20 |
GB2128411A (en) | 1984-04-26 |
GB8326634D0 (en) | 1983-11-09 |
ES283352U (es) | 1985-09-16 |
GB2128411B (en) | 1985-12-18 |
US4546224A (en) | 1985-10-08 |
IT8223118V0 (it) | 1982-10-07 |
SE8305469D0 (sv) | 1983-10-05 |
ES283352Y (es) | 1986-05-01 |
NL8303433A (nl) | 1984-05-01 |
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Owner name: SACE S.P.A. COSTRUZIONI ELETTROMECCANICHE Effective date: 19921031 |