EP1797958B1 - Dispositif pour mettre à disposition un fluide à une table de travail - Google Patents

Dispositif pour mettre à disposition un fluide à une table de travail Download PDF

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Publication number
EP1797958B1
EP1797958B1 EP06025265A EP06025265A EP1797958B1 EP 1797958 B1 EP1797958 B1 EP 1797958B1 EP 06025265 A EP06025265 A EP 06025265A EP 06025265 A EP06025265 A EP 06025265A EP 1797958 B1 EP1797958 B1 EP 1797958B1
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EP
European Patent Office
Prior art keywords
medium
holder means
workbench
storing
generating
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
EP06025265A
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German (de)
English (en)
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EP1797958A1 (fr
Inventor
Hermann Schaffitzel
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.)
GFP Gesellschaft fuer Produktivitaetsplanung und Produktentwicklung mbH
Original Assignee
GFP Gesellschaft fuer Produktivitaetsplanung und Produktentwicklung mbH
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Application filed by GFP Gesellschaft fuer Produktivitaetsplanung und Produktentwicklung mbH filed Critical GFP Gesellschaft fuer Produktivitaetsplanung und Produktentwicklung mbH
Publication of EP1797958A1 publication Critical patent/EP1797958A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L9/00—Supporting devices; Holding devices
    • B01L9/02—Laboratory benches or tables; Fittings therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/02—Adapting objects or devices to another
    • B01L2200/026—Fluid interfacing between devices or objects, e.g. connectors, inlet details

Definitions

  • the invention relates to a device, an assembly and a system for providing at least one medium to a work table.
  • a central supply system is usually permanently installed in a classroom.
  • the supply of jobs is "underground”, d. H. out of the ground, or "overground”, d. H. from in the upper part of a room extending channels.
  • the media mentioned are used with varying degrees of frequency in different school years and in different school types. Sometimes it is used several times a week, sometimes only twice a month, or sometimes only twice a year. This leads to an unfavorable space utilization.
  • a trolley which has a worktop with control and connection devices and below the worktop a space for gas cylinders or the like. If necessary, the trolley can be used as an additional, mobile workstation.
  • the invention has for its object to provide a way to provide the media mentioned in jobs without the problems and difficulties described.
  • a device for providing at least one medium to a work table with at least one device for storing and / or generating a medium, at least one operating and connection device for dispensing the medium and at least one device for storing and / or generating the device is designed as a media module comprising at least one housing, the means for storing and / or generating the medium in an interior of the housing (22, 121) is arranged and the device Has at least a first holding means by which the device is such destructively releasably attachable to the work table, that after fixing the means for storing and / or generating the medium below the table top and the operating and connection means for discharging the medium above d he table top are arranged.
  • a medium or media can be made available on any work table, in particular (combustible) gas, compressed air, suction air, electric current even with low voltages and if necessary, water for cooling, especially during distillation.
  • a suitable device thus a work area is adaptable to a wide variety of requirements.
  • a system is provided to flexibly adapt a workspace, particularly a classroom, to different requirements.
  • the holding means while a quick and easy attachment of a device to an associated table is possible.
  • the device or devices may be stored in a decentralized manner and brought and used when needed.
  • the device is, for example, a compressor for providing compressed air, a suction pump for providing suction air, a vacuum pump, an accumulator for providing a current, in particular an emergency power, a transformer for providing low-voltage currents, a cooling device or a water tank and the like ,
  • a medium such as gas, compressed air, water, electricity, etc.
  • the first holding means comprises rubber suction cups.
  • the rubber suction cups allow quick and easy attachment of the device to any work table, especially on work tables with correspondingly designed for the suction cups surfaces.
  • the first holding means with a fixed to the work table connected to the first holding means complementary second holding means can be coupled.
  • Such a coupling of the holding means is preferably carried out without tools, with a fast and secure operative connection, in particular a mechanical connection can be created.
  • a conversion of the work table is thus fast and possible, for example, by students in the context of teaching and / or in preparation for teaching.
  • the first holding means comprises bolt-like holding means which can be used in bushings, in particular metal bushes, provided on the work table.
  • the metal bushes are integrated in one embodiment in the work table.
  • the first and the second holding means comprise latchable profiles.
  • Such profiles are inexpensive to produce and can be attached in a simple manner, for example, on an edge of a table.
  • the holding means comprise a clamping screw.
  • the clamping screw is a connection on securable, with a tightening of the clamping screw is preferably possible without tools.
  • the device for storing and / or generating the medium is arranged in a closed housing which is provided with a preferably lockable door flap.
  • a closed housing which is provided with a preferably lockable door flap.
  • the device for storage and / or production of the medium from unwanted access can be protected.
  • the door flap it is possible to replace the device, for example, to replace an empty gas cylinder.
  • the device is designed in several parts and has an upper part to be arranged above a table top comprising the operating and connection device and a lower part to be arranged below the table top, comprising the device for storing and / or producing the medium, which are connected to one another by means of a connecting part at least containing the connection line.
  • a multi-part configuration allows a further modularity, wherein, for example, identically designed lower parts can be equipped with different media and can be connected for different media with different upper parts.
  • the connecting part is designed substantially plate-shaped.
  • the plate-like design of the connecting part only marginally limits the space between adjacent rows of tables when attached to the teacher side of the work table.
  • the connecting part has a frame, which is provided with a lining.
  • the lining of the connecting part serves as a wall of the housing of the device for storing and / or producing the medium.
  • the operating and connection device can likewise be arranged at least partially in the common housing, with elements of the operating and connection device being located outside the housing for a desired access.
  • the outer panel of the connecting part contains a door, through which at least the interior of the housing of the device for storage and / or production of the medium is accessible.
  • the connecting line contains a shut-off valve for a gaseous medium.
  • the shut-off valve is preferably closed.
  • the shut-off valve is designed as a solenoid valve, which is closed in the de-energized state and which is connected to a provided on an outer side of the device electrical line, which is provided with a connection element for a power supply. Only by connecting the electrical line to an external power source thus a gas sampling is possible. This further reduces the risk of unwanted gas outflow.
  • a size ratio of upper part and lower part is designed such that the center of gravity of the device lies in particular with the device for dispensing a medium in the lower part.
  • the first holding means is preferably arranged such that attachment of the device in a balanced state is possible.
  • the device is provided with a carrying handle, which is preferably arranged above the center of gravity of the entire device.
  • a carrying handle which is preferably arranged above the center of gravity of the entire device.
  • the device may additionally comprise rollers or the like, so that the device is displaceable over the carrying handle.
  • an assembly for providing at least one medium to a work table comprising a device according to the invention with a first holding means and a second holding means which is fixedly connected to the work table, the device by the first holding means non-destructively detachable on the second holding means is fastened.
  • the module enables quick conversion of a workbench into a laboratory bench with media supply.
  • a system for providing different media on a work table comprising at least one device with a first holding means, wherein the device by the first holding means non-destructively releasably attachable to the work table.
  • the system preferably comprising a plurality of devices, identical or different media can be made available at several work tables of a classroom.
  • a medium or more media are available as needed on a work table.
  • Fig. 1 shows a student table 1 with a designed as a media module device 2 in a side view.
  • the device 2 is in Fig. 2 shown in a front view.
  • the in Fig. 1 Pupil table 1 shown is of conventional design. He has a base 10 with a table top 11.
  • Such a student's table 1 or work table is intended for the usual, not scientific teaching.
  • media In order to be able to carry out scientific experiments on this student table, media must be provided in its area, in particular (flammable) gas, compressed air, suction air, electric current even with low voltages and possibly also water for cooling, in particular during distillation. According to the invention, these media are provided by the device 2 designed as a media module.
  • these media are provided by the device 2 designed as a media module.
  • a device 2 which provides propane gas at the student table 1 available.
  • other media can be provided, for example, compressed air by means of a compressor, suction by means of a suction pump, emergency power by means of a battery or low-voltage currents by means of a transformer or a cooling device, in particular with a Peltier element.
  • the apparatus 2 has an upper part 21, which is arranged above the table top 11 in the teacher's area, and a lower part 22, which is to be arranged on the teacher's side of the student's table 1 below the table top 11.
  • the upper part 21 and the lower part 22 are connected to each other by means of a flat, substantially plate-like connecting part 23.
  • the upper part 21 has on its side facing the student side of the student table 1 front side an operating and connecting device with a connection 24 for a Gas hose or the like. on.
  • the illustrated operating and connection device of the upper part 21 further comprises a in Fig. 2 Visible manometer 25, on which the gas pressure can be read.
  • the lower part 22 which has a closed housing, accommodates a gas container 26 of conventional design, for example a 3 kg container.
  • a connecting line 27 is connected, which extends in the connecting part 23 and connects the gas container 26 with the pressure gauge 25 and the terminal 24.
  • an electromagnetic shut-off valve 28 is arranged, which closes in the de-energized state.
  • an electrical line 280 which is provided outside the device 2 with a plug 281, with which it is connectable to a power grid. Only when the plug 281 is connected to a power grid and power is available, the check valve 28 is open. During the transport of the device 2, that is, when the plug 281 is withdrawn as shown, the shut-off valve 28 is closed, so that even when opening the port 24 no gas leaks.
  • the lower part 22 of the illustrated device 2 is a closed housing, which defines an interior, wherein a rear wall of the housing is formed by the connecting part 23.
  • the upper part 21 is formed in this embodiment as a closed housing, wherein a rear wall is also formed by the connecting part 23.
  • the connecting part 23 is in the illustrated embodiment, a flat frame, which is provided with a lining made of sheet metal or plastic.
  • One of the table top 11 facing away from outer panel is suitably designed as a pivotable about a hinge door, the closed position with a lock (not shown) is secured, which is operable with a key.
  • the illustrated connecting part 23 has a flat, plate-like shape, which protrudes relatively little from the table top 11 to the teacher side. If this connecting part 23 has only a thickness of 3 to 5 cm, the space between successive and / or adjacent rows of pupils' tables 1 will not be unduly restricted. As a connecting part 23 is also a flat frame, which is not covered.
  • the device 2 is attached to the student table 1 via holding means 3 non-destructively releasably.
  • the upper part 21 is provided on the underside with a first holding means 3 comprising two holding parts 31 in the illustrated embodiment, which is attachable to the table top 11.
  • the table top 11 is provided on the teacher side at its edge with a profile 32 having obliquely away from the table top ribs. This profile 32, the two holding parts 31 are assigned, which can be hooked into the profile 32 and which are held by means of clamping screws 33.
  • the upper part 21 is smaller in size than the lower part 22.
  • the center of gravity of the device 2 is in the region of the lower part 22, so that in the side view of an approximately L-shaped cross-section having device 2 at the table top 11 can be attached.
  • the device 2 is sized and designed to be worn. For example, it is provided that the device 2 assumes in plan view only a base area of about 30 cm by 30 cm.
  • the upper part 21 is provided with a handle 29 which is arranged at least approximately perpendicular to the overall center of gravity of the device 2.
  • the lower part 22 is provided in one embodiment on the bottom with counselklötzen, so that the device 2 can be parked on a floor or in particular on a trolley.
  • a dashed illustrated foot part 4 is moved out, which is provided with a roller 41. This makes it possible to transport this device in the manner of a shopping cart pushing or pulling.
  • a compressor is arranged in the lower part 22 in order to generate compressed air, which is conducted via a line to a connection located in the upper part 21.
  • a fan can be arranged, with which a negative pressure can be generated, which is guided to a connection of the upper part 21.
  • it will be possible to generate both compressed air and negative pressure by means of the same device and to provide in each case a connection for compressed air and one for negative pressure in the upper part 21.
  • a cooling device may be provided in the lower part 22, with which a water cycle is cooled, in the region of the upper part 21 to a Distiller is connectable.
  • an accumulator is arranged in the lower part 22, which is connected via lines through the connecting part 23 with connections in the region of the upper part 21. Accordingly, a transformer can be accommodated in the base 22.
  • electrically operated devices when electrically operated devices are accommodated in the device 2, it is provided that they can only be put into operation when an electrical connection line, similar to the connection line 280 of the first embodiment, is connected to the network and is supplied with power. It is thus ensured that when switching off the power supply no unauthorized use can be performed. Likewise, unauthorized use during transport is excluded.
  • the device 102 comprises a housing 121 which defines an interior space, wherein a device for storing and / or producing a medium, for example a gas container 26, is arranged in the interior of the housing 121.
  • the device for example the gas container 26, is secured in the interior of the housing 121 by means of a rail 120.
  • the device 102 further comprises two connection devices 24, which can be connected to the gas container 26 via the connection line 27 with the shut-off valve 28.
  • the device 102 is connected via holding means 103 with a in 3 and 4 not shown student table connectable.
  • the holding means 103 comprises a continuous profile rail 131, which can be suspended in a complementary profile on a work table. About a handle 29, the device 102 is easily transportable.
  • the shut-off valve 28 may be connected to a line, not shown, similar to the connecting line 280 according to Fig. 2 be connected to prevent unwanted access during transport.
  • FIGS. 5 and 6 show a device 202 according to a third embodiment of the invention in a partially cutaway side view and a perspective view, respectively.
  • the designed as a media module device 202 substantially corresponds to the device 102 according to the 3 and 4 and like reference numerals are used for like components.
  • the devices 102, 202 differ in the configuration of the device for storing and / or generating a medium and the operating and connecting device.
  • the device 202 comprises a housing 121 in which a vacuum pump 226 is arranged by means of a rail 120.
  • the device 202 further comprises an operating and connecting device with a connection 224 and a switch 225.
  • the operating and connection device is connected to the vacuum pump 226 via a connecting line 227.
  • FIGS. 7 and 8 show a device 302 according to a fourth embodiment of the invention in a partially cutaway side view and a perspective view, respectively.
  • the designed as a media module device 302 substantially corresponds to the device 102 according to the 3 and 4 and like reference numerals are used for like components.
  • the devices 102, 302 differ in the configuration of the device for storing and / or generating a medium and the operating and connecting device.
  • a transformer (transformer) 326 is arranged via the mounting rail 120.
  • One Current transformed by the transformer 326 is available at a student or work table (not shown) via the connection and control elements 324.
  • the operating or connection elements 324 are connected to the transformer 326 via a connecting line 327.
  • a line not shown similar to the connecting line 280 according to Fig. 2 can be provided to prevent unwanted access during transport.
  • FIGS. 9 and 10 12 schematically show a method of attaching the device 202 according to FIGS FIGS. 5 and 6 on a table top 11. It is obvious that the devices 2, 102 and 302 shown in the other figures can be fastened to the table top 11 in the same way.
  • the profile 32 is attached to one edge of the table top 11.
  • the profile 32 is preferably fixedly connected to the table top 11, for example screwed, riveted, locked and / or glued to this.
  • the profile 32 is preferably arranged on the teacher's side, ie a side of a student's table assigned to a teacher's desk. However, it is obvious that the profile 32 may be provided on any other side of the table top 11.
  • the profile 32 can extend over an entire length of the edge or only over parts thereof.
  • the illustrated profile 32 has ribs 320 which point obliquely away from the table top 11.
  • the holding means 103 provided on the device 202 comprises the profile 131, which is complementary to the profile 32, so that the profile 131 in the profile 32 as in Fig. 10 can be hung suspended.
  • the holding means 103 further comprises at least one clamping screw 133.
  • the clamping screw 133 By the clamping screw 133, the attachment of the device 202 on the table top 11 securable.
  • two clamping screws 133 are provided on the device 202 arranged, of which in FIGS. 9 and 10 however, only one is visible at a time.
  • One or more devices according to the invention thus provide a system for adapting a room to different requirements by providing media.
  • fastening or holding means can be provided.
  • the underside of the upper part is provided with rubber suction cups, with which the device can be fixed on top of a table top.
  • metal bushes are inserted into the table top in the region of the edge on the teacher's side, can be used in the bolt-like holding means which are attached to the device, in particular on the upper part or on the connecting part.
  • the device according to the invention is intended in particular for schools. However, they are also readily usable in workrooms or technical rooms.

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  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)

Claims (18)

  1. Dispositif de préparation d'au moins un médium sur une table de travail (1) qui présente au moins un système (26, 226, 326) de mise en réserve et/ou de production d'un médium, au moins un système de commande et de raccordement (24, 25, 224, 225, 324) qui délivre le médium et au moins un conduit (27, 227, 327) qui relie le système (26, 226, 326) de mise en réserve et/ou de production du médium au dispositif de commande et de raccordement (24, 25, 224, 225, 324),
    caractérisé en ce que
    le dispositif (2, 102, 202, 302) est configuré comme module à média qui comprend au moins un boîtier (22, 121) fermé, le système (26, 226, 326) de mise en réserve et/ou de production du médium étant disposé dans l'espace intérieur du boîtier (22, 121),
    en ce que le dispositif (2, 102, 202, 302) présente au moins un premier moyen de maintien (3, 103) par lequel le dispositif (2, 102, 202, 302) peut être fixé de manière libérable et sans être détruit sur la table de travail (1), en particulier sur un plateau de table (11), de telle sorte qu'après avoir été fixé, le système (26, 226, 326) de mise en réserve et/ou de production du médium est disposé en dessous du plateau de tableau (11) et le système de commande et de raccordement (24, 25, 224, 225, 324) au-dessus du plateau de table (11).
  2. Dispositif selon la revendication 1, caractérisé en ce que le premier moyen de maintien comprend des ventouses en caoutchouc.
  3. Dispositif selon les revendications 1 ou 2, caractérisé en ce que le premier moyen de maintien (3, 103) peut être accouplé à un deuxième moyen de maintien (32) complémentaire du premier moyen de maintien (3, 103) et apte à être relié solidairement à la table de travail (1).
  4. Dispositif selon la revendication 3, caractérisé en ce que le premier moyen de maintien comprend des moyens de maintien de type en goujon qui peuvent être insérés dans des douilles, en particulier des douilles métalliques, prévues sur la table de travail (1).
  5. Dispositif selon la revendication 3, caractérisé en ce que le premier et le deuxième moyen de maintien (3, 103) comprennent des profilés (31, 131, 32) qui peuvent être encliquetés les uns dans les autres.
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que les moyens de maintien (3, 103) comprennent une vis de serrage (33, 133).
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que le dispositif de mise en réserve et/ou de production (26, 226, 326) du médium est disposé dans un boîtier (22, 121) fermé doté d'une porte de préférence refermable.
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que le dispositif (2) est configuré en plusieurs parties et présente une partie supérieure (21) à disposer au-dessus d'un plateau de travail (11) et comprenant le système de commande et de raccordement (24, 25) et une partie inférieure (22) à disposer en dessous du plateau de table (11) et comprenant le système (26) de mise en réserve et/ou de production du médium, ces parties pouvant être reliées l'une à l'autre au moyen d'une partie de liaison (23) qui contient au moins le conduit de liaison (27).
  9. Dispositif selon la revendication 8, caractérisé en ce que la partie de liaison (23) a une configuration essentiellement en plaque.
  10. Dispositif selon les revendications 8 ou 9, caractérisé en ce que la partie de liaison (23) présente un encadrement doté d'un habillage.
  11. Dispositif selon la revendication 10, caractérisé en ce que l'habillage de la partie de liaison (23) sert de paroi du boîtier (22) du système (26, 226, 326) de mise en réserve et/ou de production du médium.
  12. Dispositif selon la revendication 11, caractérisé en ce que l'habillage extérieur de la partie de liaison (23) contient une porte qui donne accès au moins à l'espace intérieur du boîtier (22) du système (26, 226, 326) de mise en réserve et/ou de production du médium.
  13. Dispositif selon l'une des revendications 1 à 12, caractérisé en ce que le conduit de liaison (27) contient une soupape de blocage (28) pour médium gazeux.
  14. Dispositif selon la revendication 13, caractérisé en ce que la soupape de blocage (28) est configurée comme soupape magnétique fermée en l'absence de courant et reliée à un conducteur électrique (280) prévu sur le côté extérieur du dispositif, le conducteur étant doté d'un élément de raccordement (281) à une alimentation en courant.
  15. Dispositif selon l'une des revendications 1 à 14, caractérisé en ce que le rapport de taille entre la partie supérieure (21) et la partie inférieure (22) est tel que le centre de gravité du dispositif (2), en particulier avec le système (26) de fourniture d'un médium, est situé dans la partie inférieure (22).
  16. Dispositif selon l'une des revendications 1 à 15, caractérisé en ce que le dispositif (2, 102, 202, 302) est doté d'une poignée de transport (29) disposée de préférence au-dessus du centre de gravité de l'ensemble du dispositif (2, 102, 202, 302).
  17. Module servant à préparer au moins un médium sur une table de travail, comprenant un dispositif (2, 102, 202, 302) selon l'une des revendications 1 à 16 et un premier moyen de maintien (3, 103) ainsi qu'au moins un deuxième moyen de maintien (32) qui peut être relié solidairement à la table de travail,
    caractérisé en ce que
    le dispositif (2, 102, 202, 302) peut être fixé sans être détruit et de manière libérable sur le deuxième moyen de maintien (32) par le premier moyen de maintien (3, 103).
  18. Ensemble servant à préparer différents média sur une table de travail et comprenant au moins un dispositif (2, 102, 202, 302) selon l'une des revendications 1 à 16 et un premier moyen de maintien (3, 103),
    caractérisé en ce que
    le dispositif (2, 102, 202, 302) peut être fixé sans être détruit et de manière libérable sur la table de travail (1) par le premier moyen de maintien (3, 103).
EP06025265A 2005-12-15 2006-12-07 Dispositif pour mettre à disposition un fluide à une table de travail Active EP1797958B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005062536 2005-12-15
DE102006055000A DE102006055000B4 (de) 2005-12-15 2006-11-17 Vorrichtung zum Bereitstellen und/oder zur Bevorratung und/oder zur Erzeugung wenigstens eines Mediums an einem Arbeitstisch, sowie Baugruppe zur Verbindung mit dem Arbeitstisch und System für unterschiedliche Medien

Publications (2)

Publication Number Publication Date
EP1797958A1 EP1797958A1 (fr) 2007-06-20
EP1797958B1 true EP1797958B1 (fr) 2012-06-20

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DE (1) DE102006055000B4 (fr)

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CN109603954A (zh) * 2019-01-23 2019-04-12 烟台工程职业技术学院(烟台市技师学院) 一种教学用工程机械电气设备检测实验台
DE102023105406A1 (de) 2022-05-02 2023-11-02 Hohenloher Schuleinrichtungen GmbH & Co. KG Mobile medienversorgungsvorrichtung
DE202022002751U1 (de) 2022-05-02 2023-03-28 Hohenloher Spezialmöbelwerk Schaffitzel GmbH + Co. KG Mobile Medienversorgungsvorrichtung
WO2023213591A1 (fr) 2022-05-02 2023-11-09 Hohenloher Schuleinrichtungen GmbH & Co. KG Dispositif d'alimentation en milieu mobile

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DE20214490U1 (de) * 2002-09-19 2002-12-05 Wrt Laborbau Gmbh U Co Kommand Versorgungs- und Arbeitsplatzeinrichtung

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