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发明名称
摘要
申请公布号
JPH0458874(U)
申请公布日期
1992.05.20
申请号
JP19900097415U
申请日期
1990.09.17
申请人
发明人
分类号
G11B23/03;G11B23/40;(IPC1-7):G11B23/03
主分类号
G11B23/03
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代理人
主权项
地址
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