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发明名称
摘要
申请公布号
JPS5758745(Y2)
申请公布日期
1982.12.15
申请号
JP19780117955U
申请日期
1978.08.29
申请人
发明人
分类号
H01F27/40;H01F37/00;(IPC1-7):H01F27/40;H01F31/00
主分类号
H01F27/40
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代理人
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