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发明名称
摘要
申请公布号
JPH0431494(U)
申请公布日期
1992.03.13
申请号
JP19900072680U
申请日期
1990.07.10
申请人
发明人
分类号
G11B33/02;(IPC1-7):G11B33/02
主分类号
G11B33/02
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