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发明名称
摘要
申请公布号
BE719661(A)
申请公布日期
1969.02.03
申请号
BE19680719661
申请日期
1968.08.19
申请人
发明人
分类号
H01F27/38;H01F29/14;H02J3/04;H02J3/18;H02M5/12
主分类号
H01F27/38
代理机构
代理人
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