Phase-sequence wattmeter system,申请号US19310548592-传众专利搜索

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发明名称	Phase-sequence wattmeter system
摘要
申请公布号	US1939044(A)	申请公布日期	1933.12.12
申请号	US19310548592	申请日期	1931.07.03
申请人	WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY	发明人	EVANS ROBERT D.
分类号	G01R29/18	主分类号	G01R29/18
代理机构		代理人
主权项
地址

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