Perfectionnements aux modes et appareils de mesure de différences de potentiel,申请号FRD777945-传众专利搜索

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发明名称	Perfectionnements aux modes et appareils de mesure de différences de potentiel
摘要
申请公布号	FR777945(A)	申请公布日期	1935.03.05
申请号	FRD777945	申请日期	1933.11.22
申请人	COMPAGNIE GENERALE DE GEOPHYSIQUE	发明人
分类号	G01R19/10	主分类号	G01R19/10
代理机构		代理人
主权项
地址

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