Switchboard lamp,申请号US19270212667-传众专利搜索

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发明名称	Switchboard lamp
摘要
申请公布号	US1858819(A)	申请公布日期	1932.05.17
申请号	US19270212667	申请日期	1927.08.13
申请人	WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY	发明人	CORBETT ALFRED
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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