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发明名称
摘要
申请公布号
JPS57118578(U)
申请公布日期
1982.07.23
申请号
JP19810001823U
申请日期
1981.01.09
申请人
发明人
分类号
G10K15/04;G11B23/18;(IPC1-7):G11B23/18
主分类号
G10K15/04
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