DK19578C
(en)
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Connecting device for intermediate city Telephone traffic.
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DK18997C
(en)
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Telephone system.
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DK22593C
(en)
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Telephone system.
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ES58374A1
(en)
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Telephone.
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AT75560B
(en)
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Telephone switching system.
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DK19678C
(en)
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Telephone system.
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AT82832B
(en)
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Telephone switching system.
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DK18956C
(en)
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Device for Microphones.
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DK18500C
(en)
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Telephone relay.
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AT82883B
(en)
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Automatic telephone system.
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DK19191C
(en)
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Device for Performing Kinematograms.
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DK18509C
(en)
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Telephone handover system.
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DK19443C
(en)
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Relay device.
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DK18827C
(en)
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Circuit Device for Telephone Systems.
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DK19618C
(en)
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Turning device for Jolledavider.
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FR473896A
(en)
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Telephone system
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DK19153C
(en)
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Securing device for Railways.
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DK19160C
(en)
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Device by Telephones.
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AT80094B
(en)
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Semi-automatic telephone system. Semi-automatic telephone system.
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DK22408C
(en)
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Telephone station.
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DK18626C
(en)
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Telephone exchange system.
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DK19316C
(en)
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Telegraph device.
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DK17788C
(en)
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Signaling device for Vehicles.
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DK19820C
(en)
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Connecting device.
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DK18316C
(en)
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Telephone system connection device with Selectors.
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