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发明名称
SAFEGUARDING OF DATA RECORDED ON DISK BY TUNNEL ERASE MAGNETIC HEAD ASSEMBLY
摘要
申请公布号
EP0052706(B1)
申请公布日期
1990.01.10
申请号
EP19810107295
申请日期
1981.09.16
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
KRISHNAMURTY, RAJAN;VOLTIN, JOHN ALVIN
分类号
G11B5/02;G11B20/10;G11B5/024;G11B5/09;G11B27/36
主分类号
G11B5/02
代理机构
代理人
主权项
地址
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