DK10837C
(en)
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Procedure for the manufacture of tungsten wire for electric incandescent lamps.
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DK10733C
(en)
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Procedure for Making Wires for Incandescent Lamps.
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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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DK11231C
(en)
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Procedure for the manufacture of filament light for electric filament lamps.
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DK10550C
(en)
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Procedure for the manufacture of electric filament.
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DK9048C
(en)
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Procedure for the manufacture of filament lamps for electric filament 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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DK14320C
(en)
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Procedure for the manufacture of electric incandescent lamps.
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DK9336C
(en)
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Metal filament for electric incandescent lamps.
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FR437735A
(en)
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Incandescent lamps
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DK10559C
(en)
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Electric Incandescent Lamp with Supported Metal Incandescent Wire.
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DK12198C
(en)
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Procedure for preventing the fusing of metal wires in electric filament lamps.
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ES42748A1
(en)
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A procedure for the manufacture of filaments for electric incandescent lamps.
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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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ES37685A1
(en)
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A procedure for the manufacture of wires for electric incandescent lamps.
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ES43491A1
(en)
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A new procedure for the manufacture of electric incandescent lamps.
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DK8957C
(en)
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Procedure for the manufacture of filament light for electric filament lamps.
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DK13087C
(en)
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Metal wire lamps.
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FR405041A
(en)
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Metallic tungsten filament for incandescent electric lamps
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ES38995A1
(en)
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A process for the manufacture of tungsten or molybdenum glow wires for electric incandescent lamps.
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DK10608C
(en)
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Electric incandescent lamp with U- or V-shaped, supported metal wire.
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CH52793A
(en)
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Incandescent electric lamp, improved
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AT42541B
(en)
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Electric arc lamp.
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ES50908A1
(en)
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Improvements in the manufacture of incandescent electric lamps.
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FR381629A
(en)
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Socket for incandescent lamps
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