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发明名称
摘要
申请公布号
JPS57125515(U)
申请公布日期
1982.08.05
申请号
JP19810012174U
申请日期
1981.01.30
申请人
发明人
分类号
H01F27/28;H01F27/08;(IPC1-7):H01F27/28
主分类号
H01F27/28
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代理人
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