Appareil permettant de déduire le facteur de puissance moyen d'une installation électrique pour la période la plus chargée en puissance moyenne active ou apparente,申请号FRD832948-传众专利搜索

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发明名称	Appareil permettant de déduire le facteur de puissance moyen d'une installation électrique pour la période la plus chargée en puissance moyenne active ou apparente
摘要
申请公布号	FR832948(A)	申请公布日期	1938.10.06
申请号	FRD832948	申请日期	1937.05.31
申请人		发明人	PICCARRETA PIETRO
分类号	G01R11/48	主分类号	G01R11/48
代理机构		代理人
主权项
地址

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