Improvements in and relating to tungsten cathodes,申请号GB19520003963-传众专利搜索

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发明名称	Improvements in and relating to tungsten cathodes
摘要
申请公布号	GB729921(A)	申请公布日期	1955.05.11
申请号	GB19520003963	申请日期	1952.02.14
申请人	THE BRITISH THOMSON-HOUSTON COMPANY LIMITED	发明人	SMEATON THOMAS FREDERICK
分类号	H01J9/06	主分类号	H01J9/06
代理机构		代理人
主权项
地址

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