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发明名称
摘要
申请公布号
JPH0268379(U)
申请公布日期
1990.05.23
申请号
JP19880148837U
申请日期
1988.11.15
申请人
发明人
分类号
G11B23/033;G11B23/50;(IPC1-7):G11B23/033
主分类号
G11B23/033
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