ELECTRON TUBE WITH REDUCED SECONDARY EMISSION,申请号GB19800006825-传众专利搜索

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发明名称	ELECTRON TUBE WITH REDUCED SECONDARY EMISSION
摘要
申请公布号	GB2044991(B)	申请公布日期	1983.03.09
申请号	GB19800006825	申请日期	1980.02.28
申请人	VARIAN ASSOCIATES INC	发明人
分类号	H01J19/30;H01J1/36;H01J1/46;H01J23/02;H01J23/027;(IPC1-7):H01J1/00;H01J1/38;H01J1/48	主分类号	H01J19/30
代理机构		代理人
主权项
地址

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