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发明名称
摘要
申请公布号
JPS5623758(B2)
申请公布日期
1981.06.02
申请号
JP19760015052
申请日期
1976.02.15
申请人
发明人
分类号
H01F7/16;B25C1/06;H01F7/06;H01F7/18
主分类号
H01F7/16
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