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发明名称
摘要
申请公布号
JP2542484(Y2)
申请公布日期
1997.07.30
申请号
JP19900107620U
申请日期
1990.10.16
申请人
发明人
分类号
G11B27/22;G11B15/087;(IPC1-7):G11B15/087
主分类号
G11B27/22
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代理人
主权项
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