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发明名称
摘要
申请公布号
JPS57152646(U)
申请公布日期
1982.09.25
申请号
JP19810040121U
申请日期
1981.03.20
申请人
发明人
分类号
G11B15/68;(IPC1-7):G11B15/68
主分类号
G11B15/68
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