Multiple filament incandescent electric lamp,申请号US19380213498-传众专利搜索

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发明名称	Multiple filament incandescent electric lamp
摘要
申请公布号	US2217794(A)	申请公布日期	1940.10.15
申请号	US19380213498	申请日期	1938.06.13
申请人	DAVIS JR GEORGE B	发明人	JR. GEORGE B. DAVIS,
分类号	H01K1/70	主分类号	H01K1/70
代理机构		代理人
主权项
地址

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