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发明名称
RECORD TRACK IDENTIFICATION AND FOLLOWING
摘要
申请公布号
GB2020858(A)
申请公布日期
1979.11.21
申请号
GB19790016326
申请日期
1979.05.10
申请人
IBM CORP
发明人
分类号
G11B23/30;G05D3/12;G11B5/596;G11B20/10;G11B21/10;G11B23/36;(IPC1-7):G05D3/00
主分类号
G11B23/30
代理机构
代理人
主权项
地址
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