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发明名称
摘要
申请公布号
JPH0754970(Y2)
申请公布日期
1995.12.18
申请号
JP19900033786U
申请日期
1990.03.30
申请人
发明人
分类号
H01F5/04;H01F27/29;(IPC1-7):H01F5/04
主分类号
H01F5/04
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