Automatic frequency control system,申请号US19450623388-传众专利搜索

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发明名称	Automatic frequency control system
摘要
申请公布号	US2558435(A)	申请公布日期	1951.06.26
申请号	US19450623388	申请日期	1945.10.19
申请人	HOLLINGSWORTH LOWELL M	发明人	HOLLINGSWORTH LOWELL M.
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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