Improvements in or relating to electroscopes,申请号GB19490019048-传众专利搜索

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发明名称	Improvements in or relating to electroscopes
摘要
申请公布号	GB672944(A)	申请公布日期	1952.05.28
申请号	GB19490019048	申请日期	1949.07.20
申请人	HUGH CARMICHAEL;PERCY GEORGE SALMON;THE HONORARY ADVISORY COUNCIL FOR SCIENTIFIC AND INDUSTRIAL RESEARCH	发明人
分类号	H01J47/04	主分类号	H01J47/04
代理机构		代理人
主权项
地址

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