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发明名称
摘要
申请公布号
SE314108(B)
申请公布日期
1969.09.01
申请号
SE19640007730
申请日期
1964.06.25
申请人
IBM CORP
发明人
MC FADDEN R;RAUF C;UNGER G
分类号
G11B20/12;(IPC1-7):G11B5/00
主分类号
G11B20/12
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