EP0633588A1 - Connection accessory - Google Patents

Connection accessory Download PDF

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Publication number
EP0633588A1
EP0633588A1 EP94410046A EP94410046A EP0633588A1 EP 0633588 A1 EP0633588 A1 EP 0633588A1 EP 94410046 A EP94410046 A EP 94410046A EP 94410046 A EP94410046 A EP 94410046A EP 0633588 A1 EP0633588 A1 EP 0633588A1
Authority
EP
European Patent Office
Prior art keywords
connection
cage
auxiliary
accessory
housing
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
Application number
EP94410046A
Other languages
German (de)
French (fr)
Other versions
EP0633588B1 (en
Inventor
Bernard C/O Schneider Electric Sa Lepretre
Gérard c/o Schneider Electric SA Mazuit
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric SE
Original Assignee
Schneider Electric SE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schneider Electric SE filed Critical Schneider Electric SE
Publication of EP0633588A1 publication Critical patent/EP0633588A1/en
Application granted granted Critical
Publication of EP0633588B1 publication Critical patent/EP0633588B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01H71/08—Terminals; Connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/07—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being of the same type but different sizes
    • 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
    • H01H71/08—Terminals; Connections
    • H01H2071/086—Low power connections for auxiliary switches, e.g. shunt trip

Definitions

  • the present invention relates to a connection accessory for electrical equipment, in particular a circuit breaker, a contactor, a switch or the like, comprising at least one input terminal and one output terminal each equipped with a connection cage and a clamping screw.
  • connection cages of electrical equipment usually have limited dimensions and a well defined geometry. When it is necessary to connect large diameter power cables or when it is a question of connecting several cables in the same cage, the size of this cage may prove to be insufficient.
  • auxiliary conductor for example to connect a probe or any other suitable device.
  • the connection may be defective because the auxiliary conductor, more or less pinched between the large diameter cable and the elements of the cage, is not tightened and its retention in position is poorly ensured.
  • the present invention proposes to overcome these drawbacks by providing a connection accessory corresponding to various requirements in terms of electrical assemblies.
  • a housing of the accessory contains a main connection terminal and an auxiliary connection terminal electrically connected to a contact pad arranged to be engaged in said cage. connection of said apparatus and to be fixed by means of the corresponding first clamping screw, that the main connection terminal comprises a second main connection cage and a second clamping screw, said second cage being electrically connected to the contact pad, and that the auxiliary connection terminal comprises a third auxiliary connection cage and a third clamping screw, said third cage being electrically connected to the contact pad.
  • a circuit breaker 10 of which only the housing is shown, is equipped with two connection accessories 11 and 12 mounted on either side of this circuit breaker.
  • these two elements are similar, but can be different from the point of view of their construction to be able to be mounted respectively on the right side or the left side of the circuit breaker, these sides may have geometric differences, in particular with regard to the position of the corresponding connection cage.
  • the circuit breaker has two housings 13 intended to receive connection cages 14 (see FIG. 2) which, with the clamping screws 15, constitute input and output connection terminals.
  • the cages 14 are intended to receive power cables and / or auxiliary conductors. In the embodiment described, they ensure the connection of a contact pad 16 which constitutes one of the constituent elements of the connection accessories 11 or 12.
  • connection accessory 11 comprises a housing 20, made of synthetic material molded, in which several housings are provided to receive the contact pad 16, at least one main connection cage 21 which cooperates with a clamping screw 22 to define a main connection terminal 23, and at least one auxiliary connection cage 24 which cooperates with a clamping screw 25 to define an auxiliary connection terminal 26.
  • the contact pad 16 comprises a tab arranged to be housed in the cage 14 of the circuit breaker, a first extension 17 which extends in the main cage 21 and a second extension 18 which extends in the auxiliary cage 24. It is preferably cut from a plate of an electrically good conductive material, in particular copper or a copper alloy and shaped appropriately.
  • connection accessory may include several main connection terminals and several auxiliary connection terminals. In the example shown, it has only one main terminal and one auxiliary terminal.
  • the power cable (not shown) is engaged in the main cage by an opening 27 made in the housing 20.
  • the auxiliary conductor (not shown) is engaged in the auxiliary cage through a well 28 and an opening 29 arranged at the bottom and at the rear of this well, also provided in the housing 20.
  • the terminals are adapted to the dimensions of the cables to be connected.
  • This embodiment solves the problem of simultaneously attaching a power cable and an auxiliary conductor to the input or output terminals of circuit breakers or other electrical devices.

Landscapes

  • Breakers (AREA)
  • Patch Boards (AREA)

Abstract

The present invention relates to a connection accessory for electrical apparatus, especially a circuit breaker, a contactor, a switch or the like. This accessory (11) includes a housing (20) in which are mounted a connection region (16), at least one main connecting case (21) which interacts with a clamping screw (22) in order to define, with this case, a main connection terminal (23) and at least one auxiliary connection terminal (24) which interacts with a clamping screw (25) in order to define, with this case, an auxiliary connection terminal (26). This accessory is designed to allow effective and reliable connection of at least one power cable and of at least one auxiliary conductor. <IMAGE>

Description

La présente invention concerne un accessoire de raccordement pour un appareillage électrique, notamment un disjoncteur, un contacteur, un interrupteur ou similaire, comportant au moins une borne d'entrée et une borne de sortie équipées chacune d'une cage de raccordement et d'une vis de serrage.The present invention relates to a connection accessory for electrical equipment, in particular a circuit breaker, a contactor, a switch or the like, comprising at least one input terminal and one output terminal each equipped with a connection cage and a clamping screw.

Les cages de raccordement des appareillages électriques ont habituellement des dimensions limitées et une géométrie bien définie. Lorsqu'il est nécessaire de raccorder des câbles de puissance de gros diamètre ou lorsqu'il s'agit de raccorder plusieurs câbles dans une même cage, la dimension de cette cage peut s'avérer insuffisante.The connection cages of electrical equipment usually have limited dimensions and a well defined geometry. When it is necessary to connect large diameter power cables or when it is a question of connecting several cables in the same cage, the size of this cage may prove to be insufficient.

Par ailleurs, dans certains montages électriques on peut être amené à raccorder dans une même cage un câble de puissance de gros diamètre et un conducteur auxiliaire, par exemple pour connecter une sonde ou tout autre dispositif approprié. Dans ce cas, le raccordement peut être défectueux parce que le conducteur auxiliaire, plus ou moins pincé entre le câble de gros diamètre et les éléments de la cage, est mal serré et son maintien en position est mal assuré.Furthermore, in certain electrical assemblies, it may be necessary to connect in the same cage a large diameter power cable and an auxiliary conductor, for example to connect a probe or any other suitable device. In this case, the connection may be defective because the auxiliary conductor, more or less pinched between the large diameter cable and the elements of the cage, is not tightened and its retention in position is poorly ensured.

La présente invention se propose de pallier ces inconvénients en réalisant un accessoire de raccordement correspondant à des exigences diverses en matière de montages électriques.The present invention proposes to overcome these drawbacks by providing a connection accessory corresponding to various requirements in terms of electrical assemblies.

Ce but est atteint par l'accessoire selon l'invention caractérisé en ce qu'un boîtier de l'accessoire renferme une borne de raccordement principale et une borne de raccordement auxiliaire raccordées électriquement à une plage de contact agencée pour être engagée dans ladite cage de raccordement dudit appareillage et pour être fixée au moyen de la première vis de serrage correspondante, que la borne de raccordement principale comporte une deuxième cage de raccordement principale et une deuxième vis de serrage , ladite deuxième cage étant électriquement connectée à la plage de contact , et que la borne de raccordement auxiliaire comporte une troisième cage de raccordement auxiliaire et une troisième vis de serrage, ladite troisième cage étant électriquement connectée à la plage de contact .This object is achieved by the accessory according to the invention characterized in that a housing of the accessory contains a main connection terminal and an auxiliary connection terminal electrically connected to a contact pad arranged to be engaged in said cage. connection of said apparatus and to be fixed by means of the corresponding first clamping screw, that the main connection terminal comprises a second main connection cage and a second clamping screw, said second cage being electrically connected to the contact pad, and that the auxiliary connection terminal comprises a third auxiliary connection cage and a third clamping screw, said third cage being electrically connected to the contact pad.

La présente invention sera mieux comprise en référence à la description d'un mode de réalisation préféré donné à titre d'exemple non limitatif et aux dessins annexés dans lesquels :

  • la figure 1 représente une vue partielle en perspective d'un boîtier de disjoncteur équipé de deux accessoires de raccordement selon l'invention, disposés de part et d'autre de ce disjoncteur,
  • la figure 2 est une vue partielle en élévation et en coupe d'un accessoire de raccordement selon l'invention monté sur un côté d'un disjoncteur, et
  • la figure 3 représente une vue similaire à celle de la figure 2, l'accessoire étant vu de dessus.
The present invention will be better understood with reference to the description of a mode preferred embodiment given by way of nonlimiting example and in the appended drawings in which:
  • FIG. 1 represents a partial perspective view of a circuit breaker box fitted with two connection accessories according to the invention, arranged on either side of this circuit breaker,
  • FIG. 2 is a partial view in elevation and in section of a connection accessory according to the invention mounted on one side of a circuit breaker, and
  • Figure 3 shows a view similar to that of Figure 2, the accessory being seen from above.

En référence aux figures, et notamment à la figure 1, un disjoncteur 10, dont seul le boîtier est représenté, est équipé de deux accessoires de raccordement 11 et 12 montés de part et d'autre de ce disjoncteur. Dans leur principe, ces deux éléments sont similaires, mais peuvent être différents au point de vue de leur construction pour pouvoir être montés respectivement sur le côté droit ou le côté gauche du disjoncteur, ces côtés pouvant présenter des différences géométriques, notamment en ce qui concerne la position de la cage de raccordement correspondante.With reference to the figures, and in particular to FIG. 1, a circuit breaker 10, of which only the housing is shown, is equipped with two connection accessories 11 and 12 mounted on either side of this circuit breaker. In principle, these two elements are similar, but can be different from the point of view of their construction to be able to be mounted respectively on the right side or the left side of the circuit breaker, these sides may have geometric differences, in particular with regard to the position of the corresponding connection cage.

Le disjoncteur comporte deux logements 13 destinés à recevoir des cages de raccordement 14 (voir figure 2) qui constituent avec les vis de serrage 15, des bornes de raccordement d'entrée et de sortie. Habituellement, les cages 14 sont destinées à recevoir des câbles de puissance et/ou des conducteurs auxiliaires. Dans la réalisation décrite, elles assurent le raccordement d'une plage de contact 16 qui constitue un des éléments constitutifs des accessoires de raccordement 11 ou 12.The circuit breaker has two housings 13 intended to receive connection cages 14 (see FIG. 2) which, with the clamping screws 15, constitute input and output connection terminals. Usually, the cages 14 are intended to receive power cables and / or auxiliary conductors. In the embodiment described, they ensure the connection of a contact pad 16 which constitutes one of the constituent elements of the connection accessories 11 or 12.

Par la suite, on décrira plus en détail l'accessoire de raccordement 11, étant entendu que tous les composants de cet organe se retrouvent et ont des fonctions identiques dans l'accessoire de raccordement 12. Cet accessoire comporte un boîtier 20, en matière synthétique moulée, dans lequel sont prévus plusieurs logements pour recevoir la plage de contact 16, au moins une cage de raccordement principale 21 qui coopère avec une vis de serrage 22 pour définir une borne de raccordement principale 23, et au moins une cage de raccordement auxiliaire 24 qui coopère avec une vis de serrage 25 pour définir une borne de raccordement auxiliaire 26. La plage de contact 16 comprend une languette agencée pour être logée dans la cage 14 du disjoncteur, un premier prolongement 17 qui s'étend dans la cage principale 21 et un deuxième prolongement 18 qui s'étend dans la cage auxiliaire 24. Elle est de préférence découpée dans une plaque d'un matériau électriquement bon conducteur, notamment du cuivre ou un alliage cuivreux et façonnée de manière appropriée.Thereafter, the connection accessory 11 will be described in more detail, it being understood that all of the components of this member are found and have identical functions in the connection accessory 12. This accessory comprises a housing 20, made of synthetic material molded, in which several housings are provided to receive the contact pad 16, at least one main connection cage 21 which cooperates with a clamping screw 22 to define a main connection terminal 23, and at least one auxiliary connection cage 24 which cooperates with a clamping screw 25 to define an auxiliary connection terminal 26. The contact pad 16 comprises a tab arranged to be housed in the cage 14 of the circuit breaker, a first extension 17 which extends in the main cage 21 and a second extension 18 which extends in the auxiliary cage 24. It is preferably cut from a plate of an electrically good conductive material, in particular copper or a copper alloy and shaped appropriately.

Pour certaines utilisations, l'accessoire de raccordement peut comporter plusieurs bornes de raccordement principales et plusieurs bornes de raccordement auxiliaires. Dans l'exemple représenté, il ne comporte qu'une seule borne principale et une seule borne auxiliaire. Le câble de puissance (non représenté) est engagé dans la cage principale par une ouverture 27 ménagée dans le boîtier 20. Le conducteur auxiliaire (non représenté) est engagé dans la cage auxiliaire à travers un puits 28 et une ouverture 29 disposée au fond et à l'arrière de ce puits, également ménagés dans le boîtier 20. Les bornes sont adaptées aux dimensions des câbles à raccorder.For certain uses, the connection accessory may include several main connection terminals and several auxiliary connection terminals. In the example shown, it has only one main terminal and one auxiliary terminal. The power cable (not shown) is engaged in the main cage by an opening 27 made in the housing 20. The auxiliary conductor (not shown) is engaged in the auxiliary cage through a well 28 and an opening 29 arranged at the bottom and at the rear of this well, also provided in the housing 20. The terminals are adapted to the dimensions of the cables to be connected.

Cette réalisation résoud le problème de la fixation simultanée d'un câble de puissance et d'un conducteur auxiliaire aux bornes d'entrée ou de sortie des disjoncteurs ou d'autres appareils électriques.This embodiment solves the problem of simultaneously attaching a power cable and an auxiliary conductor to the input or output terminals of circuit breakers or other electrical devices.

Claims (5)

Accessoire de raccordement pour un appareillage électrique, notamment un disjoncteur, un contacteur, un interrupteur ou similaire, ledit appareillage comportant au moins une borne d'entrée et une borne de sortie équipées chacune d'une première cage de raccordement et d'une première vis de serrage,
caractérisé en ce qu'un boîtier (20) de l'accessoire renferme une borne de raccordement principale (23) et une borne de raccordement auxiliaire (26) raccordées électriquement à une plage de contact (16) agencée pour être engagée dans ladite cage de raccordement (14) dudit appareillage et pour être fixée au moyen de la première vis de serrage (15) correspondante, que la borne de raccordement principale (23) comporte une deuxième cage de raccordement principale (21) et une deuxième vis de serrage (22), ladite deuxième cage étant électriquement connectée à la plage de contact (16), et que la borne de raccordement auxiliaire (26) comporte une troisième cage de raccordement auxiliaire (24) et une troisième vis de serrage (25), ladite troisième cage étant électriquement connectée à la plage de contact (16).Connection accessory for electrical equipment, in particular a circuit breaker, a contactor, a switch or the like, said equipment comprising at least one input terminal and one output terminal each equipped with a first connection cage and with a first screw Clamping,
characterized in that a housing (20) of the accessory contains a main connection terminal (23) and an auxiliary connection terminal (26) electrically connected to a contact pad (16) arranged to be engaged in said cage connection (14) of said apparatus and to be fixed by means of the first corresponding clamping screw (15), that the main connection terminal (23) comprises a second main connection cage (21) and a second clamping screw (22 ), said second cage being electrically connected to the contact pad (16), and that the auxiliary connection terminal (26) comprises a third auxiliary connection cage (24) and a third clamping screw (25), said third cage being electrically connected to the contact pad (16). Accessoire selon la revendication 1, caractérisé en ce que la plage de contact (16) comprend une languette agencée pour être logée dans la première cage de raccordement (14) de l'appareillage électrique, un premier prolongement (17) qui s'étend dans la deuxième cage de raccordement principale (21) et un deuxième prolongement (18) qui s'étend dans la troisième cage de raccordement auxiliaire (24).Accessory according to claim 1, characterized in that the contact pad (16) comprises a tongue arranged to be housed in the first connection cage (14) of the electrical equipment, a first extension (17) which extends in the second main connection cage (21) and a second extension (18) which extends into the third auxiliary connection cage (24). Accessoire selon la revendication 2, caractérisé en ce que la plage de contact (16) est constituée par une pièce découpée dans une plaque en un matériau électriquement bon conducteur et disposée dans un logement approprié du boîtier (20).Accessory according to claim 2, characterized in that the contact pad (16) consists of a part cut from a plate of an electrically good conductive material and arranged in a suitable housing of the housing (20). Accessoire selon la revendication 1, caractérisé en ce que la deuxième cage de raccordement principale (23) correspond à une ouverture (27) du boîtier, conçue pour le passage d'un câble de puissance.Accessory according to claim 1, characterized in that the second main connection cage (23) corresponds to an opening (27) of the housing, designed for the passage of a power cable. Accessoire selon la revendication 1, caractérisé en ce que la troisième cage de raccordement auxiliaire (24) correspond à un puits (28) et à une ouverture (29) ménagés dans le boîtier (20) et conçu pour le passage d'un conducteur auxiliaire.Accessory according to claim 1, characterized in that the third auxiliary connection cage (24) corresponds to a well (28) and to an opening (29) formed in the housing (20) and designed for the passage of an auxiliary conductor .
EP94410046A 1993-07-07 1994-06-29 Connection accessory Expired - Lifetime EP0633588B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9308450 1993-07-07
FR9308450A FR2707429B1 (en) 1993-07-07 1993-07-07 Connection accessory.

Publications (2)

Publication Number Publication Date
EP0633588A1 true EP0633588A1 (en) 1995-01-11
EP0633588B1 EP0633588B1 (en) 1999-01-07

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ID=9449095

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94410046A Expired - Lifetime EP0633588B1 (en) 1993-07-07 1994-06-29 Connection accessory

Country Status (4)

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EP (1) EP0633588B1 (en)
CN (1) CN1041669C (en)
DE (1) DE69415734T2 (en)
FR (1) FR2707429B1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2759846A1 (en) * 1997-02-14 1998-08-21 Schneider Electric Sa HOUSING FOR ELECTRICAL APPARATUS AND ELECTRICAL APPARATUS COMPRISING SUCH A HOUSING
WO2004023506A1 (en) * 2002-08-10 2004-03-18 Moeller Gmbh Electrical switchgear
US7057883B2 (en) * 2000-12-18 2006-06-06 Abb Service S.R.L. Conducting element for shunting an electric power supply
FR3118328A1 (en) * 2020-12-22 2022-06-24 Alstom Transport Technologies Electrical contactor of a three-phase electrical supply line for a vehicle and vehicle comprising such a contactor

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006042408A1 (en) * 2006-09-09 2008-03-27 Moeller Gmbh Plug-in device for plugging on an electrical switching device
DE102006049810B4 (en) * 2006-10-17 2008-07-10 Siemens Ag Circuit breaker, in particular molded case circuit breaker, and auxiliary conductor connection for a circuit breaker
CN203386676U (en) * 2013-08-30 2014-01-08 德力西电气有限公司 Fixing structure of auxiliary connection board of breaker
FR3029699B1 (en) * 2014-12-08 2019-05-31 Schneider Electric Industries Sas ELECTRICAL CONNECTION DEVICE HAVING AN AUXILIARY OUTPUT AND SWITCHING APPARATUS COMPRISING SUCH A DEVICE.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573415A (en) * 1969-11-07 1971-04-06 Ite Imperial Corp Parallel pole circuit breaker
US3748420A (en) * 1972-04-18 1973-07-24 Westinghouse Electric Corp Terminal member for circuit interrupter
US5107396A (en) * 1991-06-03 1992-04-21 General Electric Company Circuit breaker combined terminal lug and connector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573415A (en) * 1969-11-07 1971-04-06 Ite Imperial Corp Parallel pole circuit breaker
US3748420A (en) * 1972-04-18 1973-07-24 Westinghouse Electric Corp Terminal member for circuit interrupter
US5107396A (en) * 1991-06-03 1992-04-21 General Electric Company Circuit breaker combined terminal lug and connector

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2759846A1 (en) * 1997-02-14 1998-08-21 Schneider Electric Sa HOUSING FOR ELECTRICAL APPARATUS AND ELECTRICAL APPARATUS COMPRISING SUCH A HOUSING
EP0860901A1 (en) * 1997-02-14 1998-08-26 Schneider Electric Sa Housing for electric apparatus an electrical apparatus comprising the same
CN1068698C (en) * 1997-02-14 2001-07-18 施耐德电器工业公司 Case for electrical switchgear and electrical switchgear apparatus comprising such case
US7057883B2 (en) * 2000-12-18 2006-06-06 Abb Service S.R.L. Conducting element for shunting an electric power supply
WO2004023506A1 (en) * 2002-08-10 2004-03-18 Moeller Gmbh Electrical switchgear
US7609137B2 (en) 2002-08-10 2009-10-27 Moeller Gmbh Electrical switchgear
FR3118328A1 (en) * 2020-12-22 2022-06-24 Alstom Transport Technologies Electrical contactor of a three-phase electrical supply line for a vehicle and vehicle comprising such a contactor

Also Published As

Publication number Publication date
FR2707429A1 (en) 1995-01-13
CN1041669C (en) 1999-01-13
FR2707429B1 (en) 1995-09-01
DE69415734D1 (en) 1999-02-18
CN1098564A (en) 1995-02-08
EP0633588B1 (en) 1999-01-07
DE69415734T2 (en) 1999-07-22

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