Cavity resonator electron discharge apparatus,申请号US19440547190-传众专利搜索

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发明名称	Cavity resonator electron discharge apparatus
摘要
申请公布号	US2508695(A)	申请公布日期	1950.05.23
申请号	US19440547190	申请日期	1944.07.29
申请人	RADIO CORPORATION	发明人	STONE ROBERT P.
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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