Improvements in or relating to electrostatic electron lenses,申请号GB19540014328-传众专利搜索

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发明名称	Improvements in or relating to electrostatic electron lenses
摘要
申请公布号	GB751540(A)	申请公布日期	1956.06.27
申请号	GB19540014328	申请日期	1954.05.17
申请人	TELEFUNKEN G.M.B.H.	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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