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DK4272C
(en)
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Automatic telephone switching device.
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AT21080B
(en)
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Automatic telephone switch.
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DK7070C
(en)
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Device for devices for automatic switching on and off of any number of gas lamps and the like.
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DK7396C
(en)
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Device for electromechanical setting devices for automatic telephone systems and the like.
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DK3855C
(en)
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Procedure for Making Kalomel.
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DK3782C
(en)
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Centrifuge Insert Retention Device.
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DK12083C
(en)
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Device for Switching Switches.
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AT25443B
(en)
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Automatic telephone switch.
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DK8163C
(en)
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Apparatus for Switching Lighting Apparatus on and off.
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DK4229C
(en)
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Bottle Closing Devices.
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DK7672C
(en)
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Procedure for refining and purifying coffee.
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DK3877C
(en)
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Procedure for Preserving Horseradish.
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DK6675C
(en)
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Device for automatic actuation of pistons, valves and the like.
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DK7239C
(en)
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Central switching device for Telephone Systems.
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CH23295A
(en)
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Automatic switch
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DK5443C
(en)
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Waste meat preservation procedure.
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DK7725C
(en)
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Device for automatic switching off of lights.
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CH35684A
(en)
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Equipment on time switches for automatic change of the switching times
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DK4624C
(en)
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Machine for the manufacture of biscuits, biscuits and the like.
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DK5182C
(en)
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Devices for apparatus for checking the position of railway signals, switches or the like.
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DK16899C
(en)
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Method and device for automatic control of cutting tables by clay extruders and the like.
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DK4994C
(en)
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Central Switching and Signal Displacement Device for Railway Stations.
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DK5785C
(en)
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Device for automatic Sealing and Switching off Gas burner.
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DK5337C
(en)
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Device for automatic switching on and off of gas burner.
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DK7039C
(en)
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Automatic telephone setting device.
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