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发明名称
摘要
申请公布号
JPS5221811(U)
申请公布日期
1977.02.16
申请号
JP19750107271U
申请日期
1975.08.02
申请人
发明人
分类号
G11B5/588;G11B5/17;G11B5/52;G11B5/58;(IPC1-7):G11B5/52;G11B5/20
主分类号
G11B5/588
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