Improvements in magnetic focussing systems for cathode ray tubes,申请号GB19390008224-传众专利搜索

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发明名称	Improvements in magnetic focussing systems for cathode ray tubes
摘要
申请公布号	GB526382(A)	申请公布日期	1940.09.17
申请号	GB19390008224	申请日期	1939.03.14
申请人	THE MULLARD RADIO VALVE COMPANY LIMITED;CHARLES CECIL EAGLESFIELD	发明人
分类号	H01J29/54	主分类号	H01J29/54
代理机构		代理人
主权项
地址

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