Erasing Signals from Magnetic Discs,申请号GB19690017053-传众专利搜索

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发明名称	Erasing Signals from Magnetic Discs
摘要
申请公布号	GB1191258(A)	申请公布日期	1970.05.13
申请号	GB19690017053	申请日期	1969.04.01
申请人	AMPEX CORPORATION	发明人
分类号	G11B5/024;H04N5/781	主分类号	G11B5/024
代理机构		代理人
主权项
地址

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