High frequency electronic apparatus,申请号US19400348006-传众专利搜索

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发明名称	High frequency electronic apparatus
摘要
申请公布号	US2247077(A)	申请公布日期	1941.06.24
申请号	US19400348006	申请日期	1940.07.27
申请人	GENERAL ELECTRIC COMPANY	发明人	BLEWETT JOHN P.;RAMO SIMON
分类号	H01J25/52;H01J25/58	主分类号	H01J25/52
代理机构		代理人
主权项
地址

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