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Filament of an incandescent electric lamp and method for its manufacture
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1911-04-15
Metal filament incandescent electric lamp and method of manufacture thereof
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1921-02-05
Incandescent electric lamp and method and apparatus for its manufacture
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Filaments of incandescent lamps
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1914-08-01
New incandescent electric lamp and its manufacture
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1911-02-22
Manufacturing process of tungsten filaments for an incandescent electric lamp
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Filament for electric incandescent lamps and method of manufacture thereof
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1911-02-22
Metal filament incandescent electric lamp and method of manufacture thereof
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Process for the manufacture of electric incandescent lamps
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1911-05-23
Manufacturing process of metal filaments for incandescent electric lamps
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1911-10-02
Process for the manufacture of metal filaments for electric incandescent lamps
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1913-01-14
Manufacturing process of filaments for electric incandescent lamps
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1913-01-04
Manufacturing process of filaments for electric incandescent lamps
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Manufacturing process of wires for incandescent electric lamps
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Metal filament incandescent electric lamp
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1911-02-11
Manufacturing process of filaments for incandescent electric lamps and metal filaments
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1911-07-22
Incandescent electric lamp
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Manufacturing process of filaments for incandescent electric lamps
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1911-11-13
Drawn wires and illuminating bodies for electric incandescent lamps and process for their manufacture
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1910-08-19
Process for manufacturing supports for metal filaments of incandescent electric lamps
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1915-04-09
Incandescent removable electric lamp
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1916-05-01
Method and apparatus for repairing metal filament incandescent electric lamps
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Manufacturing process of filaments for incandescent electric lamps
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1913-01-07
Manufacturing process of filaments for incandescent electric lamps
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1915-12-28
Process for the manufacture of metal filaments for electric incandescent lamps and other uses