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发明名称
摘要
申请公布号
JPS578695(U)
申请公布日期
1982.01.16
申请号
JP19800083360U
申请日期
1980.06.14
申请人
发明人
分类号
G11B27/15;G11B31/00;G11B33/06;(IPC1-7):G11B27/20
主分类号
G11B27/15
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代理人
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