Improvements in or relating to cathode ray tubes,申请号GB19520002740-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	GB697942(A)	申请公布日期	1953.09.30
申请号	GB19520002740	申请日期	1952.02.01
申请人	FERNSEH G.M.B.H.	发明人
分类号	H01J29/28;H01J29/88;H01J29/94	主分类号	H01J29/28
代理机构		代理人
主权项
地址

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