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发明名称
摘要
申请公布号
JPS5839763(U)
申请公布日期
1983.03.15
申请号
JP19810133015U
申请日期
1981.09.09
申请人
发明人
分类号
G11B23/28;G11B15/07;G11B15/66;G11B15/675;(IPC1-7):G11B15/66
主分类号
G11B23/28
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