DK5226C
(en)
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Device for Gas Incandescent Burners.
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DK4559C
(en)
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Device for Incandescent burners.
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DK5054C
(en)
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Device for gas burners.
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DK4814C
(en)
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Gas incandescent burner.
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DK5151C
(en)
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Gas incandescent burner.
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DK7044C
(en)
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Device for Incandescent burners.
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DK6019C
(en)
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Devices for gas burners.
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DK8003C
(en)
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Device for Gas Incandescent Burners.
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DK6992C
(en)
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Device for gas burners.
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DK4489C
(en)
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Device at Gas Retorts.
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CH26537A
(en)
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Gas incandescent burner
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CH27098A
(en)
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Gas self-igniter on gas burners
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DK5137C
(en)
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Device for Petroleum lamps.
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DK4734C
(en)
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Device for Hydrocarbon Burners.
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DK5440C
(en)
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Device for Burners for Soldering Lamps.
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DK5118C
(en)
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Device for self-extinguishing Lamps.
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DK5232C
(en)
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Device for self-extinguishing Lamps.
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DK6758C
(en)
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Device for oil vapor burners for incandescent lamps.
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DK4137C
(en)
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Device for self-igniters for gas incandescent lamps.
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DK6769C
(en)
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Device by Gas lamps.
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DK4741C
(en)
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Adjustment device for Petroleum incandescent torches.
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DK4935C
(en)
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Gas incandescent lamp.
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DK5113C
(en)
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Gas incandescent lamp.
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DK5046C
(en)
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Device for Petroleum light bulbs.
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GB190220761A
(en)
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Improvements in Chimneys for Incandescent Gas Burners.
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