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DK5954C
(en)
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Apparatus for Telegraphy and Telephony Using Non-Insulated Submarine Cables.
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DK6508C
(en)
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Pile for Telegraph and Telephone Cables.
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DK3945C
(en)
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Devices for telegraphic sending, receiving and handing over devices.
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FR330916A
(en)
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Metal cables for funiculars, etc.
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DK6215C
(en)
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Electric Telegraph Apparatus.
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DK6377C
(en)
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Devices of telegraph apparatus.
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DK6526C
(en)
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Setting device for Telegraph and Telephone Stations.
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DK1733C
(en)
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Device for Type Telegraph Devices.
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DK3629C
(en)
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Telegraph.
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DK5959C
(en)
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Device for automatic telephone devices.
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DK6010C
(en)
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Procedure for Preserving Soft Cheese.
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DK11883C
(en)
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Devices for insulators for telephone, telegraph and other electrical wiring.
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CA89552A
(en)
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Telegraph apparatus
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DK6582C
(en)
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Device for simultaneous Telephony and Telegraphy through a single Wire.
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DK4554C
(en)
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Device for telephone sets with the same cable for several subscribers.
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AT25883B
(en)
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Quadruplex telegraph.
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ES32490A1
(en)
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A multiple telegraph device.
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ES31621A1
(en)
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Improvements in telegraphic devices.
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ES32198A1
(en)
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Improvements in telegraphic devices.
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DK5978C
(en)
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Device for opening cans.
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DK4020C
(en)
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Recipient for Fast and Submarine Telegraphy.
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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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DK5673C
(en)
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Device for Inserting and Removing Generator Springs by Protector.
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DK5701C
(en)
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Device for devices for telegraphy without wire.
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