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发明名称
摘要
申请公布号
JPH02101388(U)
申请公布日期
1990.08.13
申请号
JP19890007069U
申请日期
1989.01.25
申请人
发明人
分类号
G11B23/50;G11B3/58;(IPC1-7):G11B23/50
主分类号
G11B23/50
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代理人
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