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发明名称
摘要
申请公布号
JPH0441474(Y2)
申请公布日期
1992.09.29
申请号
JP19850084281U
申请日期
1985.06.04
申请人
发明人
分类号
G11B15/61;G11B15/665;(IPC1-7):G11B15/665
主分类号
G11B15/61
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代理人
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