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发明名称
摘要
申请公布号
JPS55114092(U)
申请公布日期
1980.08.11
申请号
JP19790012991U
申请日期
1979.02.02
申请人
发明人
分类号
G11B23/38;(IPC1-7):G11B23/38
主分类号
G11B23/38
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