Improvement in electron discharge devices,申请号GB19450013621-传众专利搜索

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发明名称	Improvement in electron discharge devices
摘要
申请公布号	GB614313(A)	申请公布日期	1948.12.14
申请号	GB19450013621	申请日期	1945.05.30
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED	发明人
分类号	G01S1/02;G01S19/02;H01J31/62	主分类号	G01S1/02
代理机构		代理人
主权项
地址

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