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DK9394C
(en)
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Procedure for the manufacture of incandescent bulbs with high brightness and intensity.
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DK9282C
(en)
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Procedure for the manufacture of filament light for electric filament lamps.
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DK9816C
(en)
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Incandescent lamps for electric incandescent lamps and methods for their manufacture.
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DK12149C
(en)
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Procedure for Manufacturing Timelines and Lighting.
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FR382769A
(en)
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Support socket for incandescent lamps
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DK9371C
(en)
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Procedure for the manufacture of metal filament for electric filament lamps.
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CH40541A
(en)
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Kerosene incandescent lamp
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CH38399A
(en)
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Incandescent reflector
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DK17429C
(en)
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Dome for Lamps and other Lighting fixtures.
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DK10125C
(en)
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Gas incandescent lamp for Lighting with Scattered Light.
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CH39972A
(en)
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Light bulb fitting
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ES34793A1
(en)
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The manufacture of incandescent lamps.
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CH41060A
(en)
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Metal filament light bulb
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CH44179A
(en)
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Metal filament light bulb
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DK11231C
(en)
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Procedure for the manufacture of filament light for electric filament lamps.
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AT32011B
(en)
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Photographic lighting apparatus with several arc lamps.
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DK10205C
(en)
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Procedure for Manufacturing Lighting Gas.
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FR378015A
(en)
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Incandescent lamp
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FR381629A
(en)
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Socket for incandescent lamps
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DK14962C
(en)
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Spirit lamp with downward-facing incandescent burner.
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DK7189C
(en)
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Procedure and Burner for Gasilt Lighting.
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CH39385A
(en)
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Gas incandescent invert lamp
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DK9552C
(en)
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Gas incandescent burner.
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DK9785C
(en)
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Self-regulating electric Arc lamp with Incandescent.
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CH38971A
(en)
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Gas incandescent burner
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