EP1884975B1 - Dispositif de commutation - Google Patents

Dispositif de commutation Download PDF

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Publication number
EP1884975B1
EP1884975B1 EP07112518.1A EP07112518A EP1884975B1 EP 1884975 B1 EP1884975 B1 EP 1884975B1 EP 07112518 A EP07112518 A EP 07112518A EP 1884975 B1 EP1884975 B1 EP 1884975B1
Authority
EP
European Patent Office
Prior art keywords
switching
coupling element
switching device
switching apparatus
point
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.)
Active
Application number
EP07112518.1A
Other languages
German (de)
English (en)
Other versions
EP1884975A1 (fr
Inventor
Thomas Rieger
Winfried Vierling
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP1884975A1 publication Critical patent/EP1884975A1/fr
Application granted granted Critical
Publication of EP1884975B1 publication Critical patent/EP1884975B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01H71/10—Operating or release mechanisms
    • H01H71/1009—Interconnected mechanisms
    • H01H71/1027—Interconnected mechanisms comprising a bidirectional connecting member actuated by the opening movement of one pole to trip a neighbour pole
    • 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
    • H01H71/002—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00 with provision for switching the neutral conductor
    • 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
    • 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
    • H01H71/528—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a toggle or collapsible link between handle and contact arm, e.g. sear pin mechanism

Definitions

  • the invention relates to a switching device according to the preamble of claim 1.
  • Such a switching device is generally part of a switching device or circuit breaker, in particular a line switch or circuit breaker, and is used for selective connection or disconnection of one or more current paths under operating or fault conditions.
  • a switching device or circuit breaker in particular a line switch or circuit breaker
  • a load in a current path is intended to be under load only in the current path of the associated phase conductor and therefore almost free of load during operation or fault-ie at a current which is small in relation to the rated current of the corresponding switching device Current path of the neutral can be switched.
  • the module protection switch includes two switching points, which are functionally connected by means of a coupling element, in such a way that in a protective circuit of a switching point-containing switching unit and another switching unit is switched accordingly.
  • the coupling element is arranged in the center of the module protection switch.
  • the components of the switching units are miniaturized and arranged vertically with respect to the mounting rail to which the module protection switch can be attached.
  • Object of the present invention is to provide a switching device whose number of components of different components is small and space-saving housed within a housing.
  • the invention is based on the finding that in an integration of in particular two switching points in a switching device so far a high miniaturization effort has been operated, since the switching units of the switching points must be arranged largely symmetrical.
  • a coupling element only between the two switching units, that is, in a substantially central position of the overall device, realized.
  • This further implies that a mechanical interaction of the switching device with, for example, a fault current or auxiliary switch can only be made on a side surface of the switching device which adjoins the fault or auxiliary current switch.
  • the switching device for a switching device on a first and a second switching point, each containing a fixed and a movable contact.
  • the switching points are assigned, for example switching units within the switching device, which are substantially identical or identical.
  • a switching mechanism of the device is used to control the movements of the moving contacts.
  • the switching mechanism has a coupling element, which leads to a switching state change of the second switching point, if the first switching point undergoes a switching state change.
  • a switching state change in this context could mean, for example, a positive opening caused by a thermal or magnetic release is caused.
  • the coupling element is arranged decentrally within the switching device and designed as a single-ended shift fork with two switching arms that correspond to different basic shapes.
  • the coupling element for mechanical coupling of two substantially identical or identical switching units of the switching device wherein a partition for at least partial separation of substantially identical or identical switching units of the switching device is provided, wherein the coupling element protrudes through the partition, is stored in this or is mounted outside of the partition wall, resulting due to the non-mirror image arrangement of identical components of the switching units, with the partition wall as a mirror plane for both switching arms each have a different shape and different effective ranges.
  • the decentralized arrangement of the coupling element proves to be advantageous because a coupling point can be made available, which can be selected arbitrarily in many areas. This means that an optimal coupling point can be provided for different attachable devices.
  • such an active site can be realized with a so-called driver.
  • the driver is mechanically connected to the coupling element and allows a mechanical connection to example residual current or auxiliary switch.
  • a switching state change of the second switching point also leads to a switching state change of the first switching point. This leads to a direct coupling of the two switching points, so that a positive opening of a switching point automatically provokes a positive opening of the other switching point.
  • the coupling element Due to the inventive design of the coupling element, it is possible on the one hand to get to the required active sites of the respective switching units or to exert on this force and on the other hand, the spatial distance to the active sites of both switching units by the coupling element in an optimal way to bridge.
  • the coupling element serves to direct the chain of action or the signal path via a decentralized point, so that a slight signal pickup and signal transmission to other switching devices or switching devices is possible.
  • the coupling element is designed in one piece.
  • the one-piece design represents a cost-effective solution that can transmit all the required signals between the two switching units, which can also be phase sides.
  • the coupling element has an integrally formed curve or cam disk geometry, whereby the existing forces (for example contact pressure spring force) and movement sequences caused by switching mechanism can be overridden or reduced by simple means into optimally optimal force courses and movement sequences.
  • the coupling element is designed in several parts, so that it can, for example, additionally take over the function of the driver. Furthermore, a plurality of signals from the one switching unit to the other switching unit can be transferred by the multi-part design. It may be advantageous if the coupling element having a first switching arm and a second switching arm.
  • the switching arms are each associated with the switching units and can be relative to each other movable or rigid depending on the spatial arrangement of the switching units.
  • the first or second switching point in the load current leading path and the other switching point in the current return path can be arranged. It is also conceivable to use the switching points for different load currents or a combination of control and load currents.
  • the driver in which no mechanical coupling of the coupling element to adjacent devices is required, can be omitted.
  • the storage which is optimally located at the existing driver on the axis thereof, can be replaced by a corresponding guide in the carrier part, in the partition or in the equipment trays in the absence of driver.
  • FIG. 2 show a one-piece executed coupling element 1, which is designed in this embodiment as a shift fork, with two switching arms 1.7,1.8, the switching arms 1.7,1.8 correspond to different basic forms.
  • the first switching arm 1.8 (first basic form) of the coupling element 1 is hingedly mounted in a second switching arm 1.7 (second basic form).
  • the first switching arm 1.8 has a pin 1.9 for guiding in the partition wall 6.
  • the coupling element 1 has a coupling element axis 1.6 and a series of effective ranges 1.1, 1.2, 1.3, 1.5, which are provided for interaction or signal transmission with other parts of the switching mechanism.
  • the switching units 10 and 20 Due to the one-piece, asymmetrical design of the coupling element 1 as a shift fork, it is possible for the switching units 10 and 20 to use the same partition 6 for holding the components and at the same time by means of the coupling element 1 to the corresponding components of both switching units 10, 20, such as a pawl 14, 24 and a trigger lever 15, 25, to act. Due to the non-mirror image arrangement of identical components (partition wall as a mirror plane) results in each case a different shape and different effective ranges 1.1, 1.2, 1.3, 1.5 for both switching arms 1.7, 1.8.
  • a driver 2 with at least one switching arm 1.7,1.8, for example, the first switching arm 1.8 mechanically connected This makes it possible to tune switching states with other devices, since the driver 2 is led out of the housing and thus act on other devices and / or can receive signals from other devices.
  • FIG. 3 and FIG. 4 show a so-called pawl 14, which takes over the function of the trigger query.
  • An effective range 14.3 is provided for interacting with a release lever 15. This effective range is designed as a projection and could also have notch-like or barb-like projections, so that the pawl 14 is verklinkbar in the active region 15.4 of the trigger lever 15.
  • the pawl 14 has a first axis of rotation 14.5 and second axis of rotation 14.6.
  • FIG. 5 and FIG. 6 show a release lever 15 which is rotatable about an axis of rotation 15.3 and effective ranges 15.1, 15.2, 15.4, 15.5.
  • the release lever 15 assumes a central role within the switching mechanism of the switching device.
  • the release lever 15 is provided for receiving the triggering signals of a thermal or magnetic triggering or the triggering by the respective other phase side or the second switching unit 20. As soon as the release lever 15 receives the trigger signal, he gives this to the pawl 14 on the effective range 15.4 further, by this is removed from the effective range 14.3 of the pawl 14 as a support or latching.
  • the release lever 15 is provided by means of the active region 15.5 to be electromagnetically, that is, by an armature (not shown), to be set in a rotational movement.
  • FIG. 7 and 9 show the switching unit 10 each in the closed and opened state.
  • Both switching units 10, 20 could, for example, the phase sides of a switching device represent, which is attachable to a hat or mounting rail.
  • the designators of 10 to 17 denote components and elements of the first switching unit 10 and identifiers of 20 to 27 denote the corresponding identical components and elements of the switching unit 20.
  • the effective range 15.2 of the trigger lever 15 of the switching unit 10 formed in the same manner as the effective range 25.2 of the trigger lever 25 of the switching unit 20th
  • a central component of the switching unit 10 is the release lever 15.
  • the effective range 15.4 of the release lever 15 is intended to receive a corresponding effective range 14.3 of the pawl 14 or serves as a support for the effective range 14.3. If the trigger signal is transmitted to the release lever 15, so this moves in the FIG. 7 counterclockwise away from the pawl 14.
  • the bearing area 14.3 the support surface is removed, whereby the prestressed pawl 14 also performs a rotational movement in the counterclockwise direction.
  • the rotational movement of the pawl 14 is caused by the spring 12.1, which in FIG. 7 is shown in the biased position.
  • the mechanical trigger signal which moves the trigger lever 15, this can be ensured by an armature of an electromagnetic mechanism, not shown, the Current flow through the closed switching point, and thus the contacts 11.1 and 11.2 monitored.
  • the trigger signal can be transmitted to the release lever 15 in a thermal tripping.
  • a bimetal 17 is provided, which moves when heated a bracket 13.1 and acts through the power transmission of the bracket 13.1 on the lower arm of the release lever 15 so that it is moved counterclockwise.
  • the release lever 15 can be triggered by the overlapping (partition) switching unit 20.
  • the switching element designed as a switching element 1 is used, wherein the first switching arm 1.8 of the switching unit 10 is assigned and second switching arm 1.7 of the second switching unit 20.
  • a partially rotational movement of the switching arm 1.8 leads to a power transmission of a pawl 24 of the second switching unit 20 via the effective range 1.1 of the switching arm 1.8 on the effective range 15.1 of the release lever 15.
  • Similar to electromagnetic and thermal tripping leads the movement of the shift lever 15 in the counterclockwise direction to the positive opening of the contacts 11.1 and 11.2.
  • the switching arm 1.8 has a query function. On the nose-shaped extension of an effective range 1.2 is arranged, which interacts with the active region 14.2 of the pawl 14. The signal transmission takes place here from the pawl 14 to the switching arm 1.8 or on the coupling element 1 instead. Due to the movement of the pawl 14 in the counterclockwise direction, due to the contour of the effective region 14.2, a rotational force is translated into a mainly linear force movement and simultaneously transmitted via the first switching arm 1.8 to the second switching arm 1.7, which forwards this signal to the switching unit 20 and initiates its tripping.
  • the driver 2 is in direct operative connection with the coupling element 1, so that a positive opening can be forwarded via a mechanical signal to other devices, such as Z-components.
  • a positive opening could lead to a switching change of a mounted auxiliary switch.
  • an attached fault current block with adjacent fault current affects the switching mechanism or the switching points of a designed as a circuit breaker switching device so that even when switching the switching device a phase and a neutral pole are not even closed briefly.
  • an additional protective function (positive opening at a certain voltage) can be added to that of the switching device by means of an attachable shunt release.
  • an attachable shunt release For example, a phase and neutral pole of the switching device is forcibly opened.
  • an undervoltage release is also attachable or mechanically connectable to the switching device or the conductor switch, so that the function of the shutdown is also executable when falling below a certain voltage by the switching device.
  • FIG. 8 and 10 show the second switching unit 20 respectively in the closed and opened switching state, wherein the switching unit 20 is connected via the coupling element 1 with the switching unit 10 in operative connection.
  • the switching units 10, 20 can not be arranged mirror-symmetrically.
  • the second switching arm 1.7 is very unlike the first switching arm 1.8 and more hook-shaped than lever-shaped executed.
  • the second switching arm 1.7 is mounted on the first switching arm 1.8, so that a direct connection of the second switching arm 1.7 to driver 2 is unnecessary. Since the driver 2 shares an axis of rotation with the first switching arm 1.8, the direct connection of the second switching arm 1.7 causes a lever-like signal transmission when the switching unit 20 is triggered on the first switching arm 1.8.
  • the invention relates to a switching device with at least two switching points, each having a fixed and a movable contact, and are equipped with a switching mechanism for controlling the movements of the movable contacts. It should be a small variety of components and at the same time a space-saving layout for such a switching device, as occurs for example in circuit breakers, can be achieved.
  • a switching device is proposed which has a switching mechanism with a coupling element which is provided for bringing about a switching state change of a switching point in response to the switching state change of the other switching point and ensures a space-saving arrangement with low component diversity by a decentralized arrangement within the switching device.

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  • Breakers (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Control Of Transmission Device (AREA)
  • Slide Switches (AREA)

Claims (10)

  1. Dispositif de commutation pour un appareil de commutation, avec un premier et un deuxième poste de commutation, qui présentent respectivement un contact fixe (11.2, 21.2) et mobile (11.1, 21.1), et avec une mécanique de commutation pour la commande des processus de mouvement des contacts mobiles (11.1, 21.1), dans lequel la mécanique de commutation présente un élément de couplage (1) qui est prévu pour provoquer une modification d'état de commutation du deuxième poste de commutation en fonction d'une modification d'état de commutation du premier poste de commutation, dans lequel l'élément de couplage (1) est disposé à l'intérieur du dispositif de commutation de manière décentralisée, dans lequel l'élément de couplage (1) sert au couplage mécanique à un dispositif de commutation supplémentaire à l'extérieur d'un boîtier du dispositif de commutation, caractérisé en ce que 1"élément de couplage (1) est réalisé en tant que fourchette de commutation asymétrique avec deux branches de commutation (1.7, 1.8) qui correspondent à différentes formes de base, dans lequel l'élément de couplage (1) est prévu pour le couplage mécanique de deux unités de commutation (10, 20) du dispositif de commutation pour l'essentiel identiques ou de structure similaire, dans lequel une paroi de séparation (6) est prévue pour séparer au moins partiellement les unités de commutation (10, 20) du dispositif de commutation pour l'essentiel identiques ou de structure similaire, dans lequel 1"élément de couplage (1) fait saillie à travers la paroi de séparation (6), est monté dans celle-ci ou est installé à l'extérieur de la paroi de séparation (6), dans lequel des composants des unités de commutation identiques en raison de la disposition non renversée, avec la paroi de séparation en tant que plan de miroir, génèrent pour les deux branches de commutation (1.7, 1.8) respectivement une autre forme et différentes zones actives (1.1, 1.2, 1.3, 1.5).
  2. Dispositif de commutation selon la revendication 1, dans lequel 1"élément de couplage (1) présente pour le couplage mécanique à un dispositif de commutation supplémentaire à l'extérieur d'un boîtier du dispositif de commutation un entraîneur (2).
  3. Dispositif de commutation selon l'une des revendications 1 ou 2, dans lequel l'élément de couplage (1) est prévu pour provoquer une modification d'état de commutation du premier poste de commutation en fonction d'une modification d'état de commutation du deuxième poste de commutation.
  4. Dispositif de commutation selon 1"une des revendications précédentes, dans lequel l'élément de couplage (1) est réalisé en un seul ou plusieurs éléments.
  5. Dispositif de commutation selon 1"une des revendications précédentes, dans lequel 1"élément de couplage (1) présente une première branche de commutation (1.8) et une deuxième branche de commutation (1.7) qui sont relativement rigides ou mobiles l'une par rapport à l'autre.
  6. Dispositif de commutation selon 1"une des revendications précédentes, dans lequel au moins le premier poste de commutation est disposé sur le chemin d'un premier courant de charge.
  7. Dispositif de commutation selon la revendication 6, dans lequel le deuxième poste de commutation est disposé sur le chemin d'un courant de charge supplémentaire, sur le chemin d'un courant de commande ou sur le chemin retour du premier courant de charge.
  8. Appareil de commutation avec un dispositif de commutation selon les revendications 1 à 7.
  9. Appareil de commutation selon la revendication 8, dans lequel l'appareil de commutation est réalisé en tant qu'appareil de commutation de sécurité, en particulier en tant que disjoncteur de ligne.
  10. Appareil de commutation selon 1"une des revendications 8 ou 9, dans lequel l'appareil de commutation peut être relié mécaniquement à au moins un autre appareil de commutation pour l'ajustement des états de commutation.
EP07112518.1A 2006-08-01 2007-07-16 Dispositif de commutation Active EP1884975B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200610036191 DE102006036191A1 (de) 2006-08-01 2006-08-01 Schaltvorrichtung

Publications (2)

Publication Number Publication Date
EP1884975A1 EP1884975A1 (fr) 2008-02-06
EP1884975B1 true EP1884975B1 (fr) 2016-08-31

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Family Applications (1)

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EP07112518.1A Active EP1884975B1 (fr) 2006-08-01 2007-07-16 Dispositif de commutation

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EP (1) EP1884975B1 (fr)
CN (1) CN101136292B (fr)
DE (1) DE102006036191A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010019741B4 (de) 2010-05-07 2022-05-05 Siemens Aktiengesellschaft Schaltmechanik für einen Fehlerstromschutzschalter sowie Fehlerstromschutzschalter

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706056A (en) * 1971-08-09 1972-12-12 Square D Co Parallel-pole circuit breaker
US4383146A (en) * 1980-03-12 1983-05-10 Merlin Gerin Four-pole low voltage circuit breaker
EP0208613A1 (fr) * 1985-07-05 1987-01-14 Telemecanique Interrupteur de protection à pôles accouplables
EP0412953A2 (fr) * 1989-08-08 1991-02-13 Felten & Guilleaume Fabrik elektrischer Apparate Aktiengesellschaft Interrupteur de protection de ligne
US5557082A (en) * 1993-07-06 1996-09-17 Circuit Breaker Industries Limited Circuit breaker with common trip mechanism
DE19919416A1 (de) * 1999-04-28 2000-11-02 Siemens Ag Schutzschalteinrichtung für mehrpolige Auslösung
US6700082B1 (en) * 2002-12-20 2004-03-02 Eaton Corporation Trip actuator for a circuit breaker
US6888431B2 (en) * 2003-01-30 2005-05-03 Square D Company Remotely operated circuit breaker for emergency lighting circuits
EP1040499B1 (fr) * 1998-10-20 2006-03-15 AEG Niederspannungstechnik GmbH & Co. KG Dispositif de couplage

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DE3242062A1 (de) * 1982-11-13 1984-05-17 Brown, Boveri & Cie Ag, 6800 Mannheim Elektrischer schalter
US5214402A (en) * 1991-12-23 1993-05-25 North American Philips Corporation Trip link latch and interpole link for a circuit breaker
AT410726B (de) * 1993-03-18 2003-07-25 Felten & Guilleaume Ag Oester Schutzschalter
GB2295275B (en) * 1994-11-15 1998-08-12 Matsushita Electric Works Ltd Circuit breaker
DE19503530B4 (de) * 1995-02-03 2006-07-06 Aeg Niederspannungstechnik Gmbh & Co Kg Leitungsschutzschalter
IT1283162B1 (it) * 1996-07-15 1998-04-07 Gewiss Spa Interruttore elettrico automatico modulare e componibile,con ottimizzazione degli spazi utilizzati
DE19725000A1 (de) * 1997-06-13 1998-12-17 Abb Patent Gmbh Installationsschaltgerät
US6034586A (en) * 1998-10-21 2000-03-07 Airpax Corporation, Llc Parallel contact circuit breaker
DE19902715A1 (de) * 1999-01-25 2000-07-27 Abb Patent Gmbh Elektrischer Leitungsschutzschalter
US6239676B1 (en) * 2000-08-28 2001-05-29 Eaton Corporation Two pole circuit breaker calibrated in assembled state

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706056A (en) * 1971-08-09 1972-12-12 Square D Co Parallel-pole circuit breaker
US4383146A (en) * 1980-03-12 1983-05-10 Merlin Gerin Four-pole low voltage circuit breaker
EP0208613A1 (fr) * 1985-07-05 1987-01-14 Telemecanique Interrupteur de protection à pôles accouplables
EP0412953A2 (fr) * 1989-08-08 1991-02-13 Felten & Guilleaume Fabrik elektrischer Apparate Aktiengesellschaft Interrupteur de protection de ligne
US5557082A (en) * 1993-07-06 1996-09-17 Circuit Breaker Industries Limited Circuit breaker with common trip mechanism
EP1040499B1 (fr) * 1998-10-20 2006-03-15 AEG Niederspannungstechnik GmbH & Co. KG Dispositif de couplage
DE19919416A1 (de) * 1999-04-28 2000-11-02 Siemens Ag Schutzschalteinrichtung für mehrpolige Auslösung
US6700082B1 (en) * 2002-12-20 2004-03-02 Eaton Corporation Trip actuator for a circuit breaker
US6888431B2 (en) * 2003-01-30 2005-05-03 Square D Company Remotely operated circuit breaker for emergency lighting circuits

Also Published As

Publication number Publication date
DE102006036191A1 (de) 2008-02-07
EP1884975A1 (fr) 2008-02-06
CN101136292B (zh) 2012-05-23
CN101136292A (zh) 2008-03-05

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