Improvements in or relating to thermionic cathodes,申请号GB19580034844-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	GB857169(A)	申请公布日期	1960.12.29
申请号	GB19580034844	申请日期	1958.10.30
申请人	THE M-O VALVE COMPANY LIMITED;PAUL JOHN STYLES;LESLIE ROBERT EDWARD WINDSOR	发明人
分类号	H01J1/24	主分类号	H01J1/24
代理机构		代理人
主权项
地址

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