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发明名称
摘要
申请公布号
JPS5282722(U)
申请公布日期
1977.06.20
申请号
JP19750169746U
申请日期
1975.12.16
申请人
发明人
分类号
H01F38/28;(IPC1-7):H01F40/06
主分类号
H01F38/28
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代理人
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