Electron discharge device employing cavity resonators,申请号US19460650799-传众专利搜索

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发明名称	Electron discharge device employing cavity resonators
摘要
申请公布号	US2488320(A)	申请公布日期	1949.11.15
申请号	US19460650799	申请日期	1946.02.28
申请人	RADIO CORPORATION	发明人	NORTH DWIGHT O.
分类号	H01J25/02	主分类号	H01J25/02
代理机构		代理人
主权项
地址

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