Improvements in magnetic recording,申请号GB19590043790-传众专利搜索

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发明名称	Improvements in magnetic recording
摘要
申请公布号	GB870104(A)	申请公布日期	1961.06.14
申请号	GB19590043790	申请日期	1959.12.23
申请人	MINNESOTA MINING AND MANUFACTURING COMPANY	发明人	GOLDMARK PETER C.
分类号	G11B5/00	主分类号	G11B5/00
代理机构		代理人
主权项
地址

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