Automatic frequency control circuits,申请号US19370130630-传众专利搜索

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发明名称	Automatic frequency control circuits
摘要
申请公布号	US2267453(A)	申请公布日期	1941.12.23
申请号	US19370130630	申请日期	1937.03.13
申请人	RADIO CORPORATION OF AMERICA	发明人	FOSTER DUDLEY E.
分类号	H03J7/04	主分类号	H03J7/04
代理机构		代理人
主权项
地址

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