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发明名称
Magnetische Aufzeichnungseinrichtung
摘要
申请公布号
DE1953463(A1)
申请公布日期
1970.05.21
申请号
DE19691953463
申请日期
1969.10.23
申请人
IBM
发明人
PAUL HOLLSTEIN CARL
分类号
G11B5/09;G11B5/012;G11B21/21;(IPC1-7):G11B17/00
主分类号
G11B5/09
代理机构
代理人
主权项
地址
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