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发明名称
摘要
申请公布号
JPS517849(Y1)
申请公布日期
1976.03.02
申请号
JP19700119264U
申请日期
1970.12.02
申请人
发明人
分类号
G11B15/093;G11B15/22;G11B15/24;(IPC1-7):G11B15/22
主分类号
G11B15/093
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代理人
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