Improvements in electrical measuring instruments,申请号GB19310023462-传众专利搜索

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发明名称	Improvements in electrical measuring instruments
摘要
申请公布号	GB381665(A)	申请公布日期	1932.10.13
申请号	GB19310023462	申请日期	1931.08.20
申请人	THOMAS GUY PERCY HEALEY	发明人
分类号	G01R15/00	主分类号	G01R15/00
代理机构		代理人
主权项
地址

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