Portable superregenerative receiver,申请号US19310532477-传众专利搜索

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发明名称	Portable superregenerative receiver
摘要
申请公布号	US1907874(A)	申请公布日期	1933.05.09
申请号	US19310532477	申请日期	1931.04.24
申请人	RADIO CORPORATION OF AMERICA	发明人	ROBERTS WALTER VAN B.
分类号	H03D11/02	主分类号	H03D11/02
代理机构		代理人
主权项
地址

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