MAGNETIC RECORD MEMBERS HAVING A PROTECTIVE RECORDING SURFACE AND METHOD OF MAKING,申请号USD3719525-传众专利搜索

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发明名称	MAGNETIC RECORD MEMBERS HAVING A PROTECTIVE RECORDING SURFACE AND METHOD OF MAKING
摘要
申请公布号	US3719525(A)	申请公布日期	1973.03.06
申请号	USD3719525	申请日期	1969.01.09
申请人	CONTROL DATA CORP,US	发明人	PATEL P,US;LIU J,US
分类号	G11B5/66;G11B5/64;G11B5/72;G11B5/725;G11B5/738;(IPC1-7):H01F10/06	主分类号	G11B5/66
代理机构		代理人
主权项
地址

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