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发明名称
摘要
申请公布号
JPS5419709(U)
申请公布日期
1979.02.08
申请号
JP19770090360U
申请日期
1977.07.09
申请人
发明人
分类号
G11B3/58;(IPC1-7):G11B3/58
主分类号
G11B3/58
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代理人
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