Electron discharge devices particularly cathode ray tubes,申请号GB19380007648-传众专利搜索

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发明名称	Electron discharge devices particularly cathode ray tubes
摘要
申请公布号	GB513640(A)	申请公布日期	1939.10.18
申请号	GB19380007648	申请日期	1938.03.11
申请人	STANDARD TELEPHONES AND CABLES LIMITED;FRANK DOUGLAS GOODCHILD;DONALD HARRISON BLACK;CHRISTOPHER HENRY FOULKES	发明人
分类号	H01J29/48	主分类号	H01J29/48
代理机构		代理人
主权项
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