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发明名称
摘要
申请公布号
JPS52152718(U)
申请公布日期
1977.11.19
申请号
JP19760062861U
申请日期
1976.05.17
申请人
发明人
分类号
G11B15/093;G11B15/02;G11B23/087;(IPC1-7):G11B15/02
主分类号
G11B15/093
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代理人
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