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DK12551C
(en)
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Procedure for the manufacture of metal wire hangers for electric incandescent lamps.
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DK30293C
(en)
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Procedure for the manufacture of metal wires for electric filament lamps and other purposes.
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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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DK10837C
(en)
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Procedure for the manufacture of tungsten wire for electric incandescent lamps.
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DK10082C
(en)
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Embers for electric lamps and Procedures for the manufacture of the same.
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DK10631C
(en)
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Combined lamp base and wire carrier for metal incandescent wire.
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DK10509C
(en)
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Metal wire incandescent lamps with refractory wire holders.
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DK10733C
(en)
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Procedure for Making Wires for Incandescent Lamps.
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DK11859C
(en)
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Installations for electric lighting and heating of vehicles.
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CH44341A
(en)
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Gas cooker
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FR389229A
(en)
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Metal vapor lamps
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DK12149C
(en)
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Procedure for Manufacturing Timelines and Lighting.
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CH45554A
(en)
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Latticed metal electrode
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DK10550C
(en)
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Procedure for the manufacture of electric filament.
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FR394292A
(en)
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Metallurgical furnace
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DK18983C
(en)
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Gas Production Furnace.
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DK16394C
(en)
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Procedure and Oven for the Production of Sublimated Lead White.
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DK11386C
(en)
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Holder, made of one piece of wire, for metal wire in electric incandescent lamps.
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DK26848C
(en)
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|
Method for Melting Metal and Electric Furnace for Performing the Same.
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FR352099A
(en)
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Method of sealing the metal conductors of incandescent electric lamps
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DK12804C
(en)
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Procedure for Renewal of blackened cult wire lamps.
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DK13087C
(en)
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Metal wire lamps.
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DK12604C
(en)
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|
Device for metal wire incandescent lamps.
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DK26790C
(en)
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Assembly for electrical wires, metal wire ropes and the like.
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CH50180A
(en)
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Gas cooker
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