INCANDESCENT LAMP Russian patent published in 1997 - IPC

Abstract RU 2092929 C1

FIELD: electrical engineering. SUBSTANCE: lamp has bulb filled with inert gas and accommodating tungsten filament converted with metal of much higher temperature resistance, such as magnesium; layer thickness is 10 to 15 microns. EFFECT: improved life of lamp.

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RU 2 092 929 C1

Authors

Gusev Aleksandr Aleksandrovich

Dates

1997-10-10—Published

1991-12-02—Filed