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DK13689C
(en)
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Automatic Switching On and Off for Gas Lamps.
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DK17429C
(en)
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Dome for Lamps and other Lighting fixtures.
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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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DK13972C
(en)
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Valve for Gas lamps.
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DK13733C
(en)
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Gas incandescent burner.
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DK15531C
(en)
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Automatic for switching on and off electric lamps.
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ES63170A3
(en)
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An automatic switch for electric and gas lighting.
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ES49260A1
(en)
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Inverted hydrocarbon incandescent lamps.
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DK10203C
(en)
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Gas effluent nozzle for Incandescent lamps.
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DK13731C
(en)
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Launching device for burners.
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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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DK14586C
(en)
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Cable connection for Arc lamps.
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DK13885C
(en)
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Automatic Extinguishing device for Gas stove appliances.
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DK13149C
(en)
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Downward-facing Gas Bulb.
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DK18758C
(en)
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Device for lighting lamps.
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ES48913A2
(en)
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Incandescent gas burner improvements.
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ES48568A1
(en)
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Fuel lamp improvements.
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DK13150C
(en)
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Device for Generating the Arc between Arc Lamps Electrodes.
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DK10853C
(en)
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Device for Switching Gas Lights On and Off.
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AT52233B
(en)
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Air gas lamp.
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ES48252A1
(en)
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A lighting procedure.
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DK13232C
(en)
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Smoke incinerator for lighthouses.
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DK27563C
(en)
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Device for automatic switching on and off of gas burners, candelabra and other gas lighting devices at predetermined times.
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DK17847C
(en)
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Apparatus for automatic switching on and off of lighting devices.
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ES48310A1
(en)
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An improved dimmer for arc lamps.
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