Improvements in or relating to cathode ray tubes,申请号GB19380023786-传众专利搜索

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发明名称	Improvements in or relating to cathode ray tubes
摘要
申请公布号	GB518221(A)	申请公布日期	1940.02.21
申请号	GB19380023786	申请日期	1938.08.12
申请人	FERRANTI LIMITED;JOHN LEONARD MILLER;HUBERT WOOD	发明人
分类号	H01J29/84	主分类号	H01J29/84
代理机构		代理人
主权项
地址

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