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发明名称
摘要
申请公布号
JPH0134326(Y2)
申请公布日期
1989.10.19
申请号
JP19810058366U
申请日期
1981.04.22
申请人
发明人
分类号
H01F7/122;H01F7/16;(IPC1-7):H01F7/16
主分类号
H01F7/122
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