DK5337C
(en)
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Device for automatic switching on and off of gas burner.
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DK5785C
(en)
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Device for automatic Sealing and Switching off Gas burner.
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DK7228C
(en)
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Clockwork device for Automatic Switching on and off of Gas burner.
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DK7758C
(en)
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Clockwork device for Automatic Switching on and off of Gas burner.
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DK7820C
(en)
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Clockwork device for Automatic Switching on and off of Gas burner.
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DK7858C
(en)
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Clockwork device for Automatic Switching on and off of Gas burner.
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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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DK6706C
(en)
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Device for devices for switching on and off gas burners at a distance.
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DK8798C
(en)
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Method and device for electrochemical switching on and off of gas lamps.
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DK7857C
(en)
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Apparatus for switching on and off gas lamps.
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DK15357C
(en)
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Device for appliances for automatic switching on and off of gas burner.
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DK19415C
(en)
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Device for devices for automatic switching on and off of gas flames.
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DK6093C
(en)
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Device for Retention and Expansion of Sheets and Sick Caps.
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DK6006C
(en)
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Device for Adjusting Arc Lamps.
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DK5574C
(en)
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Device for cooling the gases and retaining the flame and ash parts from melting furnaces.
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DK5440C
(en)
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Device for Burners for Soldering Lamps.
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DK11330C
(en)
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Apparatus for automatic switching on and off of lighting devices.
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DK5533C
(en)
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Device for Appliances for Ignition of Gas Flame.
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DK5899C
(en)
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Gas Burner for Lighting and Heating.
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DK6474C
(en)
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Device for Interruption and Regulation of Electric Currents.
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CH26321A
(en)
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Innovation on gas burners
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DK16775C
(en)
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Device for appliances for automatic switching on and off of gas burner.
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DK5977C
(en)
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Device for gas and water control valves for furnaces for heating water.
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DK5795C
(en)
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Device for magnetic exposure of arc lamps.
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DK10853C
(en)
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Device for Switching Gas Lights On and Off.
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