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经营范围
发明名称
THERMOMAGNETIC RECORDING MEDIUM
摘要
申请公布号
GB1466041(A)
申请公布日期
1977.03.02
申请号
GB19750021867
申请日期
1975.05.21
申请人
IBM CORP
发明人
分类号
G11B5/62;C22C12/00;C22C22/00;C22C28/00;G03G5/16;H01F1/00;H01F10/18;H01L37/04;(IPC1-7):C22C22/00;C23C13/02
主分类号
G11B5/62
代理机构
代理人
主权项
地址
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