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DK13568C
(en)
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Transmitting and Receiving Antenna for Wireless Telegraphy Devices.
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CH88841A
(en)
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Portable wireless telegraph station.
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DK19552C
(en)
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Transmitter for Wireless Telegraphy.
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DK13783C
(en)
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Switch for Wireless Telegraphy Signal Stations.
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AT98598B
(en)
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Antenna arrangement for wireless telegraphy.
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DK12975C
(en)
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Device for Wireless Telegraphy Devices.
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ES49052A1
(en)
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Improvements in the means for the transmission and reception of signals by telegraphy or wireless telephony.
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DK16599C
(en)
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Transmitter for Wireless Telegraphy.
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DK24373C
(en)
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Receiver for Wireless Telegraphs and Telephones.
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DK24276C
(en)
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Coupling device for Sending and Receiving devices for wireless Telegraphy and Telephoning.
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CA158727A
(en)
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Antenna for wireless telegraphy, etc.
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DK20247C
(en)
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Receiving device for wireless Telegraphy.
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ES45206A1
(en)
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An improved transmitter for wireless telegraphy.
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DK29751C
(en)
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Retractable Antenna for Wireless Telegraphy.
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CA122162A
(en)
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Antenna for wireless telegraph systems
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CA152538A
(en)
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Wireless telegraph system
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CA156452A
(en)
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Wireless telegraphy system
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DK12522C
(en)
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Device for simultaneous, reciprocal transmission and reception of telegrams by wireless telegraphy.
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DK33051C
(en)
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High Frequency Machine Transmitter for Wireless Telegraphy and Telephony.
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AT82879B
(en)
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Directional wireless telegraphy and telephony facility.
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AT63593B
(en)
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Receiving device for wireless telegraphy and telephony.
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AT54875B
(en)
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Device for switching wireless telegraphy stations.
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ES57286A1
(en)
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A transmitting station for wireless telephony and telegraphy.
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CA128605A
(en)
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Wireless telegraphy
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CA129855A
(en)
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Wireless telegraphy
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