Radio relaying system,申请号US19400335217-传众专利搜索

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发明名称	Radio relaying system
摘要
申请公布号	US2287044(A)	申请公布日期	1942.06.23
申请号	US19400335217	申请日期	1940.05.15
申请人	RADIO CORPORATION OF AMERICA	发明人	KROGER FRED H.
分类号	H04B1/74;H04B7/165	主分类号	H04B1/74
代理机构		代理人
主权项
地址

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