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发明名称
摘要
申请公布号
JPH03115982(U)
申请公布日期
1991.12.02
申请号
JP19900024637U
申请日期
1990.03.12
申请人
发明人
分类号
G11B15/02;G11B7/28;G11B15/46;G11B19/02;G11B27/02;G11B27/034;(IPC1-7):G11B27/034
主分类号
G11B15/02
代理机构
代理人
主权项
地址
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