Dispositif pour la mesure des impédances,申请号FRD38703-传众专利搜索

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发明名称	Dispositif pour la mesure des impédances
摘要
申请公布号	FR38703(E)	申请公布日期	1931.07.04
申请号	FRD38703	申请日期	1930.05.16
申请人	SOCIETE D'ETUDES POUR LIAISONS TELEPHONIQUES & TELEGRAPHIQUES A LONGUE DISTANCE	发明人
分类号	G01R17/00	主分类号	G01R17/00
代理机构		代理人
主权项
地址

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