Frequency responsive remotecontrol system,申请号US19420459783-传众专利搜索

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发明名称	Frequency responsive remotecontrol system
摘要
申请公布号	US2429771(A)	申请公布日期	1947.10.28
申请号	US19420459783	申请日期	1942.09.26
申请人	RADIO CORPORATION OF AMERICA	发明人	ROBERTS WALTER VAN B.
分类号	G05D3/00	主分类号	G05D3/00
代理机构		代理人
主权项
地址

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