ELECTRON GUN HAVING A DISTRIBUTED ELECTROSTATIC LENS,申请号GB19780024937-传众专利搜索

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发明名称	ELECTRON GUN HAVING A DISTRIBUTED ELECTROSTATIC LENS
摘要
申请公布号	GB1602135(A)	申请公布日期	1981.11.04
申请号	GB19780024937	申请日期	1978.05.31
申请人	RCA CORP	发明人
分类号	H01J3/02;H01J29/50;H01J29/62;(IPC1-7):H01J29/62	主分类号	H01J3/02
代理机构		代理人
主权项
地址

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