Portable electric lamp,申请号US19390264498-传众专利搜索

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发明名称	Portable electric lamp
摘要
申请公布号	US2197946(A)	申请公布日期	1940.04.23
申请号	US19390264498	申请日期	1939.03.27
申请人	SIMPSON STANLEY T	发明人	SIMPSON STANLEY T.
分类号	F21S8/04;F21V21/08;F21Y101/00	主分类号	F21S8/04
代理机构		代理人
主权项
地址

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