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DK5205C
(en)
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Self-amplifying Lamp for Gas Incandescent Light.
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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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DK5244C
(en)
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Gas incandescent lamp with several burners.
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DK4843C
(en)
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Holder for Incandescent lamps.
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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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DK7069C
(en)
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Gas incandescent lamp.
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DK5446C
(en)
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Gas incandescent lamp.
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GB190221861A
(en)
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An Improvement in Mantles for Incandescent Gas Lighting.
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DK6108C
(en)
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Burning down Gas incandescent lamp.
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CH26537A
(en)
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Gas incandescent burner
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CH30937A
(en)
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Gas incandescent lamp
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DK5663C
(en)
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Base for Incandescent lamps.
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CH26855A
(en)
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Incandescent lamp
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DK10125C
(en)
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Gas incandescent lamp for Lighting with Scattered Light.
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DK4376C
(en)
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Burner for spirit incandescent lamps without wicks.
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DK7819C
(en)
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Gas incandescent light bulb.
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CH27594A
(en)
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Downward-burning gas incandescent lamp
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DK1382C
(en)
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Incandescent lamps for Gas incandescent lamps.
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DK5226C
(en)
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Device for Gas Incandescent Burners.
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DK2162C
(en)
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Burner for Incandescent lamps.
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GB190218333A
(en)
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Improvements relating to Lanterns for Public Incandescent Gas Lighting.
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DK5950C
(en)
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Bulb lamp.
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DK3431C
(en)
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Regenerative- Gas incandescent lamp.
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