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发明名称
摘要
申请公布号
JPH0110784(Y2)
申请公布日期
1989.03.28
申请号
JP19810100804U
申请日期
1981.07.07
申请人
发明人
分类号
G11B17/028;G11B25/04;(IPC1-7):G11B17/028
主分类号
G11B17/028
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代理人
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