Filament support and heat shield construction for electric lampsdoi:US3530329 AStone, Melvin LDanko, George KUS3530329 * 1968年6月25日 1970年9月22日 General Electric Co. Filament support and heat shield construction for electric lamps
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doi:doi:US3530329 AComplete Patent Searching Database and Patent Data Analytics Services.Danko George KStone Melvin LUSUS3530329 * 1968年6月25日 1970年9月22日 General Electric Co. Filament support and heat shield construction for electric lamps...