Electron discharge device employing cavity resonator apparatus,申请号US19450578467-传众专利搜索

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发明名称	Electron discharge device employing cavity resonator apparatus
摘要
申请公布号	US2451240(A)	申请公布日期	1948.10.12
申请号	US19450578467	申请日期	1945.02.17
申请人	RADIO CORPORATION OF AMERICA	发明人	ROSENERANS CHARLES A.
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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