Improvements in and relating to sensitive direct current measuring apparatus,申请号GB19460020628-传众专利搜索

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发明名称	Improvements in and relating to sensitive direct current measuring apparatus
摘要
申请公布号	GB620595(A)	申请公布日期	1949.03.28
申请号	GB19460020628	申请日期	1946.07.10
申请人	THE BRITISH THOMSON-HOUSTON COMPANY LIMITED	发明人
分类号	G01R19/20	主分类号	G01R19/20
代理机构		代理人
主权项
地址

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