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发明名称
摘要
申请公布号
JPH02149136(U)
申请公布日期
1990.12.19
申请号
JP19890055663U
申请日期
1989.05.15
申请人
发明人
分类号
G11B15/467;G11B15/473;G11B15/665;(IPC1-7):G11B15/467
主分类号
G11B15/467
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代理人
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