Improvements in or relating to electron discharge devices,申请号GB19370021019-传众专利搜索

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发明名称	Improvements in or relating to electron discharge devices
摘要
申请公布号	GB499785(A)	申请公布日期	1939.01.30
申请号	GB19370021019	申请日期	1937.07.29
申请人	BAIRD TELEVISION LIMITED;VICTOR ANGEL JONES;KURT ARTHUR RICHARD SAMSON	发明人
分类号	H01J29/38	主分类号	H01J29/38
代理机构		代理人
主权项
地址

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