Noise elimination in fm recording,申请号US19550493938-传众专利搜索

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发明名称	Noise elimination in fm recording
摘要
申请公布号	US2807797(A)	申请公布日期	1957.09.24
申请号	US19550493938	申请日期	1955.03.14
申请人	CALIFORNIA RESEARCH CORPORATION	发明人	SHOEMAKER WILLIAM E.
分类号	G11B20/22	主分类号	G11B20/22
代理机构		代理人
主权项
地址

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