DK18719C
(en)
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Apparatus for Receiving Radio Telegraphic Signals.
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DK20056C
(en)
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Apparatus for Receiving Electrical Signals.
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DK20413C
(en)
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Apparatus for Utilizing Signal Streams for Telegraphic, Radio Telegraphic or Other Use.
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DK18599C
(en)
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Apparatus for receiving electrical signals, in particular by cable telegraphy.
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DK20387C
(en)
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Apparatus for the automatic transmission of telegraph signals.
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DK31589C
(en)
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Method and Apparatus for Simultaneously Sending and Receiving Wireless Signals.
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DK19643C
(en)
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Apparatus for Making Butter.
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DK30049C
(en)
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Apparatus for transmitting radio signals.
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DK18407C
(en)
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Apparatus for Laying Potatoes.
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DK20386C
(en)
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Apparatus for Receiving Underwater Audio Signals.
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ES57266A1
(en)
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An apparatus for the automatic transmission of telegraphic signals.
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DK18897C
(en)
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Apparatus for Opening Cans.
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DK29921C
(en)
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Interference-Free Device Receiving Audio Signals.
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DK20247C
(en)
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Receiving device for wireless Telegraphy.
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DK18556C
(en)
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Remender Punching Device.
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DK15195C
(en)
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Apparatus for Sending the Telegraph Signs by the Morse System.
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DK18584C
(en)
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Apparatus for transmitting electrical signs, in particular for cable telegraphy.
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DK18464C
(en)
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Apparatus for transmitting electrical signs, in particular for cable telegraphy.
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DK18730C
(en)
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Device for setting the time.
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DK31470C
(en)
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Device for Reducing the Influence of Atmospheric Disturbances on Radio Receivers.
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DK31469C
(en)
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Device for Reducing the Influence of Atmospheric Disturbances on Radio Receivers.
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DK13889C
(en)
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Apparatus for Laying Potatoes.
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DK19300C
(en)
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Potato Recording Device.
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DK20999C
(en)
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Apparatus for Emptying Gas Returns.
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DK18618C
(en)
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Apparatus for the manufacture of coffee extracts.
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