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发明名称
摘要
申请公布号
JPS6245773(U)
申请公布日期
1987.03.19
申请号
JP19850136899U
申请日期
1985.09.09
申请人
发明人
分类号
G11B17/04;G11B17/043;G11B23/03;(IPC1-7):G11B23/03
主分类号
G11B17/04
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代理人
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