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发明名称
摘要
申请公布号
JPS5544411(U)
申请公布日期
1980.03.22
申请号
JP19780123919U
申请日期
1978.09.08
申请人
发明人
分类号
G11B23/113;G11B23/08;G11B23/20;(IPC1-7):G11B23/20
主分类号
G11B23/113
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