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经营范围
发明名称
MAGNETIC DISC MEMORY
摘要
申请公布号
GB1601299(A)
申请公布日期
1981.10.28
申请号
GB19780024215
申请日期
1978.05.30
申请人
NIXDORF COMPUTER AG
发明人
分类号
G11B21/21;G11B5/54;G11B21/02;G11B23/02;G11B25/04;(IPC1-7):G11B5/48
主分类号
G11B21/21
代理机构
代理人
主权项
地址
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