Circuit arrangement for calculating the power factor by analog means,申请号CH19770011390-传众专利搜索

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发明名称	Circuit arrangement for calculating the power factor by analog means
摘要
申请公布号	CH620534(A5)	申请公布日期	1980.11.28
申请号	CH19770011390	申请日期	1977.09.19
申请人	SIEMENS AG	发明人	GERHARD SPIESBERGER
分类号	G01R21/00;G06G7/12;(IPC1-7):G06G7/20	主分类号	G01R21/00
代理机构		代理人
主权项
地址

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