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发明名称
摘要
申请公布号
JPH01107113(U)
申请公布日期
1989.07.19
申请号
JP19880001139U
申请日期
1988.01.07
申请人
发明人
分类号
H01F27/30;H01F27/28;H01F27/32;(IPC1-7):H01F27/30
主分类号
H01F27/30
代理机构
代理人
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