Electron discharge devices,申请号GB19440001585-传众专利搜索

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发明名称	Electron discharge devices
摘要
申请公布号	GB590462(A)	申请公布日期	1947.07.18
申请号	GB19440001585	申请日期	1944.01.27
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED;GEORGE ROSS KILGORE	发明人
分类号	H01J25/78	主分类号	H01J25/78
代理机构		代理人
主权项
地址

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