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发明名称
摘要
申请公布号
JPS5749977(B2)
申请公布日期
1982.10.25
申请号
JP19750033403
申请日期
1975.03.18
申请人
发明人
分类号
G11B15/07;G11B15/02;G11B15/087;G11B15/18;G11B15/28;G11B15/675
主分类号
G11B15/07
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