DK17668C
(en)
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Apparatus for periodic switching on and off of electric lamps.
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DK15474C
(en)
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Apparatus for periodic switching on and off of electric lamps.
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DK17847C
(en)
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Apparatus for automatic switching on and off of lighting devices.
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DK11875C
(en)
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Apparatus for automatic switching on and off of lighting devices.
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DK15436C
(en)
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Apparatus for switching on and off the gas burner at certain times.
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DK16855C
(en)
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Apparatus for Telegraphy and Signaling with AC Power (Tone Power).
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DK17575C
(en)
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Apparatus for Receiving and Transforming Electric Waves.
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DK13950C
(en)
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Device for automatic switching on and off of electric lamps on automatic looms.
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DK39464C
(en)
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Apparatus for controlling high frequency currents.
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DK23352C
(en)
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Apparatus for Transforming Electric Currents.
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DK17342C
(en)
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Procedure for Starting Engines and Related Apparatus.
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DK26739C
(en)
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Apparatus for automatic starting and stopping of electric motors.
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DK12995C
(en)
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Apparatus for Starting and Stopping Electric Motors.
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DK28909C
(en)
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Apparatus for automatically switching on and off gas burners, candelabra and other lighting devices at predetermined times.
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DK20437C
(en)
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Apparatus for Exploiting the Power of the Wave.
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DK16848C
(en)
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Apparatus for Knotrol of whether Switching Devices are sufficiently easily movable.
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FR465330A
(en)
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High voltage current transformer
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DK17693C
(en)
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Apparatus for Promoting Advertising.
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DK16026C
(en)
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Apparatus for regulating and controlling the voltage of an electric current.
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DK12930C
(en)
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Device by Domes for Enclosure of the Arc in Electric Arc Lamps.
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DK13394C
(en)
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Device for devices for automatic switching on and off of lighting devices.
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CH65634A
(en)
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Apparatus for preventing infections while telephoning
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DK15408C
(en)
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Apparatus for the production of lighting gas.
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DK14828C
(en)
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Apparatus for electric ringing of church bells and the like.
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DK17107C
(en)
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Apparatus for Destruction of the Torpedo.
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