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发明名称
摘要
申请公布号
JPH066485(Y2)
申请公布日期
1994.02.16
申请号
JP19890113398U
申请日期
1989.09.29
申请人
发明人
分类号
H01F7/20;H01F7/16;(IPC1-7):H01F7/16
主分类号
H01F7/20
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代理人
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