Improvements in or relating to electrical measuring apparatus,申请号GB19610018816D-传众专利搜索

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发明名称	Improvements in or relating to electrical measuring apparatus
摘要
申请公布号	GB971507(A)	申请公布日期	1964.09.30
申请号	GB19610018816D	申请日期	1961.05.24
申请人	CHARBONNAGES DE FRANCE	发明人
分类号	G01K7/20;G01N27/18;G01R17/00	主分类号	G01K7/20
代理机构		代理人
主权项
地址

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