OXIDE-COATED CATHODE FOR ELECTRON TUBE,申请号GB19790038665-传众专利搜索

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发明名称	OXIDE-COATED CATHODE FOR ELECTRON TUBE
摘要
申请公布号	GB2041637(B)	申请公布日期	1983.02.09
申请号	GB19790038665	申请日期	1979.11.08
申请人	HITACHI LTD	发明人
分类号	H01J1/14;H01J1/15;(IPC1-7):H01J1/13	主分类号	H01J1/14
代理机构		代理人
主权项
地址

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