Lock for swivel reflectors,申请号US19350020331-传众专利搜索

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发明名称	Lock for swivel reflectors
摘要
申请公布号	US2142458(A)	申请公布日期	1939.01.03
申请号	US19350020331	申请日期	1935.05.08
申请人	BENJAMIN ELECTRIC MFG. COMPANY	发明人	RUSCH DAVID
分类号	F21S8/00;F21W131/10	主分类号	F21S8/00
代理机构		代理人
主权项
地址

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