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发明名称
摘要
申请公布号
JPH0140176(Y2)
申请公布日期
1989.12.01
申请号
JP19830133806U
申请日期
1983.08.30
申请人
发明人
分类号
H01F27/28;H01F27/32;(IPC1-7):H01F27/28
主分类号
H01F27/28
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