Système d'enregistrement sur ruban magnétique,申请号FRD1130238-传众专利搜索

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发明名称	Système d'enregistrement sur ruban magnétique
摘要
申请公布号	FR1130238(A)	申请公布日期	1957.02.01
申请号	FRD1130238	申请日期	1955.04.26
申请人	RADIO CORPORATION OF AMERICA	发明人
分类号	H04N5/92;H04N9/825	主分类号	H04N5/92
代理机构		代理人
主权项
地址

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