Power factor indicator,申请号US19380223962-传众专利搜索

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发明名称	Power factor indicator
摘要
申请公布号	US2198371(A)	申请公布日期	1940.04.23
申请号	US19380223962	申请日期	1938.08.09
申请人	WESTON ELECTRICAL INSTRUMENT CORPORATION	发明人	WOLFERZ ALFRED H.;MILLER JOHN H.
分类号	G01R25/00;G01R27/28	主分类号	G01R25/00
代理机构		代理人
主权项
地址

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