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发明名称
摘要
申请公布号
JPS5667734(U)
申请公布日期
1981.06.05
申请号
JP19790150248U
申请日期
1979.10.30
申请人
发明人
分类号
H01F27/30;H01F27/26;H01F27/33;(IPC1-7):H01F27/30
主分类号
H01F27/30
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代理人
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