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发明名称
摘要
申请公布号
JPS5533457(Y2)
申请公布日期
1980.08.08
申请号
JP19740075679U
申请日期
1974.06.27
申请人
发明人
分类号
G11B15/10;G11B15/02;G11B15/18;(IPC1-7):G11B15/10
主分类号
G11B15/10
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