Improvements in and relating to methods of and apparatus for applying electron emission material to electrodes,申请号GB19490031987-传众专利搜索

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发明名称	Improvements in and relating to methods of and apparatus for applying electron emission material to electrodes
摘要
申请公布号	GB692479(A)	申请公布日期	1953.06.10
申请号	GB19490031987	申请日期	1949.12.13
申请人	THE BRITISH THOMSON-HOUSTON COMPANY LIMITED	发明人
分类号	H01J9/04;H01J9/06	主分类号	H01J9/04
代理机构		代理人
主权项
地址

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