Improvements in cathode-ray tubes,申请号GB19520014731-传众专利搜索

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发明名称	Improvements in cathode-ray tubes
摘要
申请公布号	GB711003(A)	申请公布日期	1954.06.23
申请号	GB19520014731	申请日期	1952.06.11
申请人	RADIO CORPORATION OF AMERICA	发明人
分类号	H01J29/18;H01J29/28;H01J29/89	主分类号	H01J29/18
代理机构		代理人
主权项
地址

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