Oiltight switchboard pilot light,申请号US19510247407-传众专利搜索

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发明名称	Oiltight switchboard pilot light
摘要
申请公布号	US2640189(A)	申请公布日期	1953.05.26
申请号	US19510247407	申请日期	1951.09.20
申请人	FURNAS ELECTRIC COMPANY	发明人	JR. ARTHUR B. JOHNSON,
分类号	F21S8/00	主分类号	F21S8/00
代理机构		代理人
主权项
地址

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