Improvements in or relating to electron lenses,申请号GB19420000061-传众专利搜索

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发明名称	Improvements in or relating to electron lenses
摘要
申请公布号	GB568572(A)	申请公布日期	1945.04.11
申请号	GB19420000061	申请日期	1942.01.02
申请人	OTTO ERNST HEINRICH KLEMPERER	发明人
分类号	H01J29/62	主分类号	H01J29/62
代理机构		代理人
主权项
地址

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