Voltage-supply means for directional relays,申请号US19300461619-传众专利搜索

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发明名称	Voltage-supply means for directional relays
摘要
申请公布号	US1877446(A)	申请公布日期	1932.09.13
申请号	US19300461619	申请日期	1930.06.16
申请人	WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY	发明人	CURTIS RICHARD C.
分类号	H02H1/00	主分类号	H02H1/00
代理机构		代理人
主权项
地址

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