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DK2322C
(en)
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Fluid for Incandescent Light Bulbs.
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DK2162C
(en)
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Burner for Incandescent lamps.
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DK2096C
(en)
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Incandescent lamps for gas incandescent lamps.
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DK2263C
(en)
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Burners for Lamps.
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DK1635C
(en)
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Petroleum light bulb.
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DK2448C
(en)
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Burner for Lamps.
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DK2933C
(en)
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Oil vapor lamp for incandescent light.
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DK2057C
(en)
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Petroleum incandescent lamp.
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DK3431C
(en)
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Regenerative- Gas incandescent lamp.
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DK2147C
(en)
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Periscopical Spotlight.
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DK3850C
(en)
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Petroleum light bulb.
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CH19719A
(en)
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Evaporator on hydrocarbon incandescent light burners
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DK2626C
(en)
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Procedure for the manufacture of filament lamps for electric filament lamps.
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ES24329A1
(en)
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An Archimedes automatic tricycle.
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DK1382C
(en)
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Incandescent lamps for Gas incandescent lamps.
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DK4029C
(en)
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Device for Fastening Incandescent lamps.
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DK2831C
(en)
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Procedure for the manufacture of non-combustible lamp wicks.
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DK4843C
(en)
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Holder for Incandescent lamps.
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DK3423C
(en)
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Burner for Gas Bulbs.
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DK2658C
(en)
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Burner for Petroleum or Oil Bulbs.
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DK1954C
(en)
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Incandescent burners.
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DK2133C
(en)
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Lamp suspension device.
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ES24657A1
(en)
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Illuminating projectile improvements.
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ES25250A1
(en)
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A chemical regeneration procedure for osmium incandescent lamps.
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DK2025C
(en)
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Burner for Gas Incandescent.
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