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发明名称
摘要
申请公布号
JPS6172756(U)
申请公布日期
1986.05.17
申请号
JP19840157186U
申请日期
1984.10.19
申请人
发明人
分类号
G11B15/665;G11B15/675;G11B33/02;(IPC1-7):G11B15/665
主分类号
G11B15/665
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代理人
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