Improved cathode ray tubes and method of manufacturing such tubes,申请号GB19380016761-传众专利搜索

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发明名称	Improved cathode ray tubes and method of manufacturing such tubes
摘要
申请公布号	GB499266(A)	申请公布日期	1939.01.20
申请号	GB19380016761	申请日期	1938.06.03
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H01J29/28	主分类号	H01J29/28
代理机构		代理人
主权项
地址

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