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发明名称
摘要
申请公布号
JPS5615775(Y2)
申请公布日期
1981.04.14
申请号
JP19750094840U
申请日期
1975.07.08
申请人
发明人
分类号
H01F27/12;(IPC1-7):H01F27/12
主分类号
H01F27/12
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