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发明名称
摘要
申请公布号
JPS5862492(U)
申请公布日期
1983.04.27
申请号
JP19810156892U
申请日期
1981.10.20
申请人
发明人
分类号
G11B23/087;G11B23/08;(IPC1-7):G11B23/08
主分类号
G11B23/087
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