Improvements in and relating to cathode ray tubes,申请号GB19350008604-传众专利搜索

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发明名称	Improvements in and relating to cathode ray tubes
摘要
申请公布号	GB458746(A)	申请公布日期	1936.12.21
申请号	GB19350008604	申请日期	1935.03.19
申请人	JOHN EDGAR KEYSTON;FREDERICK HERMES NICOLL;OTTO KLEMPERER	发明人
分类号	H01J29/46	主分类号	H01J29/46
代理机构		代理人
主权项
地址

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