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发明名称
摘要
申请公布号
JPS5339297(Y2)
申请公布日期
1978.09.22
申请号
JP19740055932U
申请日期
1974.05.15
申请人
发明人
分类号
H02H7/04;H01F27/32;H01F27/40;H01H37/18;(IPC1-7):H01F31/00
主分类号
H02H7/04
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