Improvements in or relating to electrical measuring instruments,申请号GB19470025208-传众专利搜索

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发明名称	Improvements in or relating to electrical measuring instruments
摘要
申请公布号	GB629723(A)	申请公布日期	1949.09.27
申请号	GB19470025208	申请日期	1947.09.15
申请人	MARCONI INSTRUMENTS LIMITED;ARTHUR GEORGE WRAY	发明人
分类号	G01R27/26	主分类号	G01R27/26
代理机构		代理人
主权项
地址

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