US3824553A - Low voltage terminal strip capable of withstanding high voltage transients - Google Patents
Low voltage terminal strip capable of withstanding high voltage transients Download PDFInfo
- Publication number
- US3824553A US3824553A US00372548A US37254873A US3824553A US 3824553 A US3824553 A US 3824553A US 00372548 A US00372548 A US 00372548A US 37254873 A US37254873 A US 37254873A US 3824553 A US3824553 A US 3824553A
- Authority
- US
- United States
- Prior art keywords
- cavities
- walls
- contact
- cavity
- conductors
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/50—Bases; Cases formed as an integral body
Definitions
- the strip is built up of any desired number of insulating block elements, each of identical structure, all mounted on a channel shaped track between end stops.
- the block elements have interlocking means and they define plural cavities with sets of contact terminals inside the cavities to which the conductors are terminated in desired patterns.
- Barrier wall sections subdivide the cavities and separate sets of terminals.
- the cavities are of pyramid shape, the electrical plug therefore being of the samepyramid shape to provide intimate contact between the walls of the cavities and the plug to increase the distance via air between contacts, High voltage surge conditions can be successfully withstood due to cavity spacings, post spacings, presence of barrier walls, and use of insulating material for all elements except the contact terminals.
- Access cover means and cavity identifying marker means are also provided.
- the present invention relates in general to electrical terminal blocks or strips which are adapted to make any desired number and combination of electrical interconnections among a plurality of conductors.
- the terminal strip of the invention is of the modular type construction, in that it is built up ofa plurality ofidentical terminal block sections.
- the terminal strip includes special provisions for withstanding very high voltages which, under certain conditions, might be imposed upon the individual connectors or loads due to the relatively larger amount of insulation between contact elements as well as the ability to be easily wired in the field.
- connection can be made in the field using routine crimping tools and semi-skilled servicemen.
- the terminal strip of the invention will serve as a flexible and versatile interconnection system.
- a junction box for making multiple connections in telephone equipment networks, or among components in data processing systems, or the like, it will provide interconnectionsfor plural sources to plural loads via individual conductors or via groups of plural conductors.
- the high voltage terminal'strip described herein is composed of a plurality of insulator housing blocks of identical construction which are mounted on a track member and held together thereon in a stack.
- the housing blocks are each, in essence, a flat plate or main verticalwall with a pair of pyramid shaped sections connected together to form horizontal dividing walls extending outward therefrom at its center and top and bottom walls each having a flai red section to form a pyramid shaped cavity with one face of one of thepyramid shaped sections.
- a plurality of cavities is formed, one between each pyramid shaped wall section and a top and bottom wall and conductors, to be interconnected, extend into the cavities through the vertical wall wherein they are anchored.
- Two pairs of metal contact terminals are mounted in one vertical wall, with the other dividing wall separating the pairs of terminals.
- the terminals are force fitted into small apertures in the vertical wall in which they are mounted.
- the walls have notches and cooperating tabs fitted into notches of adjacent sections to interlock them into a unitary strip.
- the conductors are terminated to opposite ends of the terminals in any selected pattern. More than one conductor can be terminated to one end of each terminal if necessary.
- FIG. 1 is a perspective view, partially exploded, of a group of terminal blocks assembled on a track and making up the terminal strip of the present invention.
- FIG. 2 is a cross-sectional view of one of the identical terminal blocks mounted on the track.
- the terminal strip 10 of the invention is made of a plurality of terminal block housings or modules 3 of electrically insulating material stacked together on a track on channel 1 as shown.
- Each housing 3 comprises flat side walls 4 and 6 which are oriented perpendicular to the track 1 when in position in the strip.
- a perpendicular pair of dividingwalls or partitions 14 comprising a vertical wall and a horizontal wall composed of pyramid shaped member 16 and 18, connected together at the'base of the pyramid and positioned between the side walls 4 and 6 to form four pyramid shaped cavities with upper and lower walls 20'and 22 which include bevelled portions 24, 26, 28,130.
- a contact member 21 is mounted in the wall 14 with finger portions thereof extending into the cavities on opposite sides of the wall 14 for mating with a contact 17 in a pyramid shaped electrically insulating plug 5 which is shaped to make intimate contact with I the walls of the cavities when connection is made.
- the plug 5 includes a finger hold portion 19 into which the wire 7 enters for connection to contact 17, such as by crimping or the like.
- the module 3 also includes notches 15 which ride in the V-shaped channel 1 as shown.
- the modules 3 include tab portions 23 and indents 36 for interlocking the modules.
- a channel 38 is also provided for receiving and retaining a marker strip 9 which acts to tie the modules together as well as operating as a marker strip to identify the modules.
- the modules 3 are secured together in the channel 1 by means of a stop member 11 which rides in the channel and is locked therein by means of a screw 13 which provides a friction stop.
- the device is operated by mounting the track 1 in a cabinet or the like and then sliding the modules 3 into the channel of the V-shaped track 1 via the notches 15 which fit into the interior of the channel.
- an end plate or stop 11 is entered into the channel from one or both sides thereof, depending upon whether there is a physical stop already formed at one end of the channel.
- the stop 11 is locked in the channel by the screws 13 by the pressure applied thereby to the bottom of the channel.
- the protrusions 23 and indents 36 mate to form a structural interlock and therefore a unitary entity on the track.
- the channel 38 receives the 3 r marker strip 9 which acts to tie the modules together aswell as providing module identification.
- the plug 5 includes a contact 1 7 to which a stripped wire-7 has been crimped.
- the contact 17 has a retaining spring of well known type to lock the contact within the plug 5 when the contact is forced therein.
- the plug 5 includes a finger hold portion 19 by which the plug is inserted into the cavity in the module whereby the contact 17 is forced over the male contact 21 to make electrical connection therewith. Plug 5 fills the cavity and makes intimate contact with a major portion of the interior walls of the cavity to provide electrical isolation between contacts 21 due to the distance between these contacts.
- An electrical connecting assembly comprising, in combination, a pluralityof identical insulating housing members of rectangular form, means for mechanically interlocking said housing members with their side walls in abutting relation to form a terminal strip of desired length, each housing member being a solid block of insulating material provided with a pair of triangularshaped cavities in an edge wall thereof with its smaller end inwardly thereof. the adjacent walls of the cavities sloping away from each other inwardly of the housing member, an electrical contact member embedded in the bottom wall of each cavity and extending into the cavity, and plug means exteriorly dimensioned to snugly engage the walls of said cavities and provided with electrical Contact means at the small ends thereof for cooperative engagement with the respective contact means.
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Multi-Conductor Connections (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00372548A US3824553A (en) | 1973-06-22 | 1973-06-22 | Low voltage terminal strip capable of withstanding high voltage transients |
CA201,108A CA1024623A (en) | 1973-06-22 | 1974-05-29 | Modular plug and socket for a terminal strip assembly |
IT23459/74A IT1014660B (it) | 1973-06-22 | 1974-05-31 | Connettore elettrico |
AU69736/74A AU6973674A (en) | 1973-06-22 | 1974-06-04 | Connector |
NL7407766A NL7407766A (it) | 1973-06-22 | 1974-06-11 | |
DE2428756A DE2428756A1 (de) | 1973-06-22 | 1974-06-14 | Elektrischer steckverbinder |
CH828774A CH563672A5 (it) | 1973-06-22 | 1974-06-17 | |
SE7408054A SE7408054L (it) | 1973-06-22 | 1974-06-18 | |
ES427465A ES427465A1 (es) | 1973-06-22 | 1974-06-20 | Perfeccionamientos introducidos en un conectador electrico. |
BE145672A BE816618A (fr) | 1973-06-22 | 1974-06-20 | Connecteur |
BR5065/74A BR7405065A (pt) | 1973-06-22 | 1974-06-20 | Conector eletrico de tomada e soquete |
FR7421709A FR2234674B3 (it) | 1973-06-22 | 1974-06-21 | |
JP49071796A JPS5048490A (it) | 1973-06-22 | 1974-06-21 | |
AR254349A AR199373A1 (es) | 1973-06-22 | 1974-06-24 | Conectador electrico |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00372548A US3824553A (en) | 1973-06-22 | 1973-06-22 | Low voltage terminal strip capable of withstanding high voltage transients |
Publications (1)
Publication Number | Publication Date |
---|---|
US3824553A true US3824553A (en) | 1974-07-16 |
Family
ID=23468609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00372548A Expired - Lifetime US3824553A (en) | 1973-06-22 | 1973-06-22 | Low voltage terminal strip capable of withstanding high voltage transients |
Country Status (14)
Country | Link |
---|---|
US (1) | US3824553A (it) |
JP (1) | JPS5048490A (it) |
AR (1) | AR199373A1 (it) |
AU (1) | AU6973674A (it) |
BE (1) | BE816618A (it) |
BR (1) | BR7405065A (it) |
CA (1) | CA1024623A (it) |
CH (1) | CH563672A5 (it) |
DE (1) | DE2428756A1 (it) |
ES (1) | ES427465A1 (it) |
FR (1) | FR2234674B3 (it) |
IT (1) | IT1014660B (it) |
NL (1) | NL7407766A (it) |
SE (1) | SE7408054L (it) |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3963296A (en) * | 1975-05-09 | 1976-06-15 | Amp Incorporated | Locking bar assembly for high voltage terminal blocks |
US4221445A (en) * | 1978-02-02 | 1980-09-09 | Amp Incorporated | Cross connect distribution system and apparatus |
US4269470A (en) * | 1979-08-17 | 1981-05-26 | Ustin Martin D | Modular electrical terminal board |
US4296986A (en) * | 1979-06-18 | 1981-10-27 | Amp Incorporated | High voltage hermetically sealed connector |
FR2537791A1 (fr) * | 1982-12-13 | 1984-06-15 | Limousin App Bobinage | Dispositif de derivation pour cables electriques |
EP0131129A2 (de) * | 1983-07-08 | 1985-01-16 | C.A. Weidmüller GmbH & Co. | Reihenklemmenblock |
EP0200993A1 (de) * | 1985-05-08 | 1986-11-12 | Siemens Aktiengesellschaft | Steckvorrichtung zum Anschluss elektrischer Geräte, vorzugsweise Schütze |
FR2628578A1 (fr) * | 1988-03-14 | 1989-09-15 | Delcon Oy | Support de montage pour des elements de couplage ou de raccordement electrique |
GB2292266A (en) * | 1994-08-09 | 1996-02-14 | Sumitomo Wiring Systems | Modular electrical connector construction |
EP0928960A2 (en) * | 1998-01-06 | 1999-07-14 | Smc Corporation | Rail-mounted fluid-pressure indicating apparatus |
US6059615A (en) * | 1997-01-31 | 2000-05-09 | Berg Technology, Inc. | Modular cable to board power connector |
US20110183542A1 (en) * | 2010-01-28 | 2011-07-28 | Morsettitalia S.P.A. | Switchboard Terminal Block |
WO2012116692A1 (de) * | 2011-03-03 | 2012-09-07 | Harting Electric Gmbh & Co. Kg | Modularer steckverbinder |
EP1858120B1 (en) * | 2006-05-19 | 2013-02-20 | Sanyo Electric Co., Ltd. | Socket connector and combined connector having the same |
US20140021306A1 (en) * | 2011-03-31 | 2014-01-23 | Phoenix Contact Gmbh & Co. Kg | Support stand for screening terminals |
CN105938943A (zh) * | 2015-03-06 | 2016-09-14 | 菲尼克斯电气公司 | 多层接线端子装置 |
US20160286679A1 (en) * | 2013-11-04 | 2016-09-29 | Phoenix Contact Gmbh & Co. Kg | Component assembly system |
US9634442B2 (en) * | 2011-03-03 | 2017-04-25 | Harting Electric Gmbh & Co. Kg | System of plug connectors fixed on mounting rails |
US20190027070A1 (en) * | 2016-01-18 | 2019-01-24 | Phoenix Contact Gmbh & Co. Kg | Method for attaching marking labels to a plurality of electrical devices which can be arranged on a support rail |
US10806047B2 (en) * | 2016-12-16 | 2020-10-13 | Phoenix Contact Gmbh & Co. Kg | Arrangement of support elements of electronic modules |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2829620C2 (de) * | 1978-07-06 | 1983-06-30 | Wago-Kontakttechnik Gmbh, 4950 Minden | Bezeichnungsschilderstreifen für die Kennzeichnung insbesondere von Reihenklemmen |
DE2854678C2 (de) * | 1978-12-18 | 1984-10-25 | Brown, Boveri & Cie Ag, 6800 Mannheim | Steckvorrichtung zur Kontaktierung elektrischer Kabelleiter mit Sammelschienen |
FR2550907B1 (fr) * | 1983-08-17 | 1985-10-11 | Merlin Gerin | Dispositif d'assemblage de modules d'appareillage electrique |
FR2662549B1 (fr) * | 1990-05-28 | 1994-05-13 | Applications Electro Mecaniques | Dispositif d'interconnexion pour reglette de raccordement electrique ou analogue. |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US27429A (en) * | 1860-03-13 | Improvement in cotton and hay presses | ||
US3266007A (en) * | 1964-05-18 | 1966-08-09 | Sanders Associates Inc | High voltage terminal block |
US3474383A (en) * | 1967-10-16 | 1969-10-21 | Otis Elevator Co | Terminal block |
US3496521A (en) * | 1967-05-29 | 1970-02-17 | Wago Kontakttechnik Gmbh | Safety contact terminal for electric wires |
US3539977A (en) * | 1967-11-13 | 1970-11-10 | Oskar Woertz Inh H & O Woertz | Electrical terminal |
US3753216A (en) * | 1971-10-14 | 1973-08-14 | Amp Inc | High voltage terminal strip |
-
1973
- 1973-06-22 US US00372548A patent/US3824553A/en not_active Expired - Lifetime
-
1974
- 1974-05-29 CA CA201,108A patent/CA1024623A/en not_active Expired
- 1974-05-31 IT IT23459/74A patent/IT1014660B/it active
- 1974-06-04 AU AU69736/74A patent/AU6973674A/en not_active Expired
- 1974-06-11 NL NL7407766A patent/NL7407766A/xx unknown
- 1974-06-14 DE DE2428756A patent/DE2428756A1/de active Pending
- 1974-06-17 CH CH828774A patent/CH563672A5/xx not_active IP Right Cessation
- 1974-06-18 SE SE7408054A patent/SE7408054L/ not_active Application Discontinuation
- 1974-06-20 ES ES427465A patent/ES427465A1/es not_active Expired
- 1974-06-20 BE BE145672A patent/BE816618A/xx unknown
- 1974-06-20 BR BR5065/74A patent/BR7405065A/pt unknown
- 1974-06-21 FR FR7421709A patent/FR2234674B3/fr not_active Expired
- 1974-06-21 JP JP49071796A patent/JPS5048490A/ja active Pending
- 1974-06-24 AR AR254349A patent/AR199373A1/es active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US27429A (en) * | 1860-03-13 | Improvement in cotton and hay presses | ||
US3266007A (en) * | 1964-05-18 | 1966-08-09 | Sanders Associates Inc | High voltage terminal block |
US3496521A (en) * | 1967-05-29 | 1970-02-17 | Wago Kontakttechnik Gmbh | Safety contact terminal for electric wires |
US3474383A (en) * | 1967-10-16 | 1969-10-21 | Otis Elevator Co | Terminal block |
US3539977A (en) * | 1967-11-13 | 1970-11-10 | Oskar Woertz Inh H & O Woertz | Electrical terminal |
US3753216A (en) * | 1971-10-14 | 1973-08-14 | Amp Inc | High voltage terminal strip |
Cited By (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3963296A (en) * | 1975-05-09 | 1976-06-15 | Amp Incorporated | Locking bar assembly for high voltage terminal blocks |
US4221445A (en) * | 1978-02-02 | 1980-09-09 | Amp Incorporated | Cross connect distribution system and apparatus |
US4296986A (en) * | 1979-06-18 | 1981-10-27 | Amp Incorporated | High voltage hermetically sealed connector |
US4269470A (en) * | 1979-08-17 | 1981-05-26 | Ustin Martin D | Modular electrical terminal board |
FR2537791A1 (fr) * | 1982-12-13 | 1984-06-15 | Limousin App Bobinage | Dispositif de derivation pour cables electriques |
EP0131129A3 (en) * | 1983-07-08 | 1986-03-19 | C.A. Weidmuller Gmbh & Co. | Series terminal block |
EP0131129A2 (de) * | 1983-07-08 | 1985-01-16 | C.A. Weidmüller GmbH & Co. | Reihenklemmenblock |
EP0200993A1 (de) * | 1985-05-08 | 1986-11-12 | Siemens Aktiengesellschaft | Steckvorrichtung zum Anschluss elektrischer Geräte, vorzugsweise Schütze |
FR2628578A1 (fr) * | 1988-03-14 | 1989-09-15 | Delcon Oy | Support de montage pour des elements de couplage ou de raccordement electrique |
GB2292266A (en) * | 1994-08-09 | 1996-02-14 | Sumitomo Wiring Systems | Modular electrical connector construction |
US5725397A (en) * | 1994-08-09 | 1998-03-10 | Sumitomo Wiring Systems, Ltd. | Divisional type connector |
GB2292266B (en) * | 1994-08-09 | 1998-04-01 | Sumitomo Wiring Systems | Modular type connector |
US6059615A (en) * | 1997-01-31 | 2000-05-09 | Berg Technology, Inc. | Modular cable to board power connector |
CN1120950C (zh) * | 1998-01-06 | 2003-09-10 | 速睦喜股份有限公司 | 轨条安装式流体压元件 |
US6167762B1 (en) | 1998-01-06 | 2001-01-02 | Smc Corporation | Rail-mounted fluid-pressure indicating apparatus |
EP0928960A2 (en) * | 1998-01-06 | 1999-07-14 | Smc Corporation | Rail-mounted fluid-pressure indicating apparatus |
EP0928960A3 (en) * | 1998-01-06 | 1999-12-08 | Smc Corporation | Rail-mounted fluid-pressure indicating apparatus |
EP1858120B1 (en) * | 2006-05-19 | 2013-02-20 | Sanyo Electric Co., Ltd. | Socket connector and combined connector having the same |
US8517758B2 (en) * | 2010-01-28 | 2013-08-27 | Morsettitalia S.P.A. | Switchboard terminal block |
US20110183542A1 (en) * | 2010-01-28 | 2011-07-28 | Morsettitalia S.P.A. | Switchboard Terminal Block |
US9634442B2 (en) * | 2011-03-03 | 2017-04-25 | Harting Electric Gmbh & Co. Kg | System of plug connectors fixed on mounting rails |
WO2012116692A1 (de) * | 2011-03-03 | 2012-09-07 | Harting Electric Gmbh & Co. Kg | Modularer steckverbinder |
RU2549200C1 (ru) * | 2011-03-03 | 2015-04-20 | Хартинг Электрик Гмбх Унд Ко. Кг | Модульный штекерный соединитель |
US9192537B2 (en) | 2011-03-03 | 2015-11-24 | Harting Electric Gmbh & Co. Kg | Modular plug connectors |
CN103403977B (zh) * | 2011-03-03 | 2016-06-29 | 哈廷电子有限公司及两合公司 | 模块化的插塞连接器 |
CN103403977A (zh) * | 2011-03-03 | 2013-11-20 | 哈廷电子有限公司及两合公司 | 模块化的插塞连接器 |
US20140021306A1 (en) * | 2011-03-31 | 2014-01-23 | Phoenix Contact Gmbh & Co. Kg | Support stand for screening terminals |
US9088141B2 (en) * | 2011-03-31 | 2015-07-21 | Phoenix Contact Gmbh & Co. Kg | Support stand for screening terminals |
US9788450B2 (en) * | 2013-11-04 | 2017-10-10 | Phoenix Contact Gmbh & Co. Kg | Component assembly system |
US20160286679A1 (en) * | 2013-11-04 | 2016-09-29 | Phoenix Contact Gmbh & Co. Kg | Component assembly system |
CN105938943A (zh) * | 2015-03-06 | 2016-09-14 | 菲尼克斯电气公司 | 多层接线端子装置 |
CN105938943B (zh) * | 2015-03-06 | 2019-02-19 | 菲尼克斯电气公司 | 多层接线端子装置 |
US20190027070A1 (en) * | 2016-01-18 | 2019-01-24 | Phoenix Contact Gmbh & Co. Kg | Method for attaching marking labels to a plurality of electrical devices which can be arranged on a support rail |
US10586474B2 (en) * | 2016-01-18 | 2020-03-10 | Phoenix Contact Gmbh & Co. Kg | Method for attaching marking labels to a plurality of electrical devices which can be arranged on a support rail |
US10806047B2 (en) * | 2016-12-16 | 2020-10-13 | Phoenix Contact Gmbh & Co. Kg | Arrangement of support elements of electronic modules |
Also Published As
Publication number | Publication date |
---|---|
FR2234674B3 (it) | 1977-05-06 |
CH563672A5 (it) | 1975-06-30 |
JPS5048490A (it) | 1975-04-30 |
IT1014660B (it) | 1977-04-30 |
CA1024623A (en) | 1978-01-17 |
AU6973674A (en) | 1975-12-04 |
DE2428756A1 (de) | 1975-01-23 |
NL7407766A (it) | 1974-12-24 |
SE7408054L (it) | 1974-12-23 |
AR199373A1 (es) | 1974-08-23 |
ES427465A1 (es) | 1976-07-16 |
BE816618A (fr) | 1974-12-20 |
BR7405065A (pt) | 1976-02-24 |
FR2234674A1 (it) | 1975-01-17 |
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