Improvements in or relating to thermionic cathodes,申请号GB19510010393-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	GB699977(A)	申请公布日期	1953.11.18
申请号	GB19510010393	申请日期	1951.05.03
申请人	THE MULLARD RADIO VALVE COMPANY LIMITED	发明人	GENTRY CHARLES HAROLD RAYMOND;GOLLIN ALBAN WILLIAM JAMES;HERZFELD NORA
分类号	H01J9/04	主分类号	H01J9/04
代理机构		代理人
主权项
地址

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