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DK6913C
(en)
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Device for simultaneous Telephony and Telegraphy through a single Wire.
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DK10714C
(en)
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Device for Wireless Telephony and Telegraphy.
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DK10167C
(en)
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Device for Wireless Telephony and Telegraphy.
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DK7171C
(en)
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Telephone connection device.
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DK10671C
(en)
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Device for Senders for Wireless Telephony and Telegraphy.
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DK10838C
(en)
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Device for Senders for Wireless Telephony and Telegraphy.
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DK6982C
(en)
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Calling device for several telephone sets on a double cable.
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DK6526C
(en)
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Setting device for Telegraph and Telephone Stations.
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FR2291E
(en)
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Device allowing simultaneous telephony and telegraphy by the same wire
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DK10043C
(en)
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Device for galvanizing and nickel plating apparatus.
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ES32490A1
(en)
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A multiple telegraph device.
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DK6508C
(en)
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Pile for Telegraph and Telephone Cables.
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DK14824C
(en)
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Telephone and Telegraph Feedback Device.
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DK10909C
(en)
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Procedure and Device for Welding Wires Electrically.
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ES39928A3
(en)
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A telephone and telegraph device.
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ES32149A1
(en)
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A wire straightening device.
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DK9806C
(en)
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Procedure and Device for Washing.
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DK9187C
(en)
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Pressure telegraph device.
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DK5701C
(en)
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Device for devices for telegraphy without wire.
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FR381978A
(en)
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Spring clamp for ties, knots, etc.
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DK5850C
(en)
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Adjustable Speaker for Telephone Devices.
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DK9985C
(en)
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Sender system for Telephone without Wire.
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ES34094A1
(en)
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A device called Self-Soap.
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ES43696A2
(en)
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A telegraph device.
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DK6506C
(en)
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Time contact device.
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