Improvements in and relating to electroscopes,申请号GB19520010440-传众专利搜索

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发明名称	Improvements in and relating to electroscopes
摘要
申请公布号	GB715408(A)	申请公布日期	1954.09.15
申请号	GB19520010440	申请日期	1952.04.25
申请人	BRITISH OPTICAL & PRECISION ENGINEERS LIMITED	发明人	PELTON MARTIN OAKLEY;CHAPLIN WILLIAM
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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