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发明名称
摘要
申请公布号
JPS5771218(U)
申请公布日期
1982.04.30
申请号
JP19800147690U
申请日期
1980.10.16
申请人
发明人
分类号
G11B17/028;G11B3/60;G11B25/04;(IPC1-7):G11B3/60
主分类号
G11B17/028
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