Improvements in or relating to thermionic cathodes,申请号GB19510016840-传众专利搜索

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发明名称	Improvements in or relating to thermionic cathodes
摘要
申请公布号	GB714429(A)	申请公布日期	1954.08.25
申请号	GB19510016840	申请日期	1951.07.16
申请人	THE GENERAL ELECTRIC COMPANY LIMITED;JAMES NORMAN BOWTELL;EDWARD ERNEST MILES;HAROLD PERCY ROOKSBY;EDWARD GEORGE STEWARD	发明人
分类号	H01J1/14;H01J61/067	主分类号	H01J1/14
代理机构		代理人
主权项
地址

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