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发明名称
摘要
申请公布号
JPH04507323(A)
申请公布日期
1992.12.17
申请号
JP19900511586
申请日期
1990.08.07
申请人
发明人
分类号
G11B15/07;G11B23/04;G11B23/30;G11B27/11
主分类号
G11B15/07
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