Electron discharge device,申请号US19420427728-传众专利搜索

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发明名称	Electron discharge device
摘要
申请公布号	US2402600(A)	申请公布日期	1946.06.25
申请号	US19420427728	申请日期	1942.01.22
申请人	FEDERAL TELEPHONE AND RADIO CORPORATION	发明人	CHEVIGNY GEORGES PAUL;LABIN EMILE
分类号	H01J19/80	主分类号	H01J19/80
代理机构		代理人
主权项
地址

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