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发明名称
摘要
申请公布号
JPS60160517(U)
申请公布日期
1985.10.25
申请号
JP19840048421U
申请日期
1984.04.04
申请人
发明人
分类号
H01F17/00;G11B5/02;H01F19/02;(IPC1-7):H01F19/02
主分类号
H01F17/00
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代理人
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