Improvements in and relating to electric discharge devices of the low pressure positive column type,申请号GB19490000195-传众专利搜索

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发明名称	Improvements in and relating to electric discharge devices of the low pressure positive column type
摘要
申请公布号	GB667070(A)	申请公布日期	1952.02.27
申请号	GB19490000195	申请日期	1949.01.04
申请人	THE BRITISH THOMSON-HOUSTON COMPANY LIMITED	发明人
分类号	H01J61/16;H01J61/72	主分类号	H01J61/16
代理机构		代理人
主权项
地址

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