FR392510A -
Process for fixing, by fusion, several filament-carrying wires simultaneously in the glass supports of incandescent electric lamps
- Google Patents
Process for fixing, by fusion, several filament-carrying wires simultaneously in the glass supports of incandescent electric lamps
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H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
H01K3/08—Manufacture of mounts or stems
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FR392510D1908-07-201908-07-20
Process for fixing, by fusion, several filament-carrying wires simultaneously in the glass supports of incandescent electric lamps
ExpiredFR392510A
(en)