Electron discharge device system,申请号US19410400578-传众专利搜索

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发明名称	Electron discharge device system
摘要
申请公布号	US2342897(A)	申请公布日期	1944.02.29
申请号	US19410400578	申请日期	1941.07.01
申请人	RADIO CORPORATION OF AMERICA	发明人	GOLDSTINE HALLAN EUGENE
分类号	H03F3/54	主分类号	H03F3/54
代理机构		代理人
主权项
地址

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