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发明名称
摘要
申请公布号
JPH0550518(U)
申请公布日期
1993.07.02
申请号
JP19910101348U
申请日期
1991.11.14
申请人
发明人
分类号
G11B5/55;G11B5/56;(IPC1-7):G11B5/56
主分类号
G11B5/55
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