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发明名称
Alternating-current control system
摘要
申请公布号
US1766653(A)
申请公布日期
1930.06.24
申请号
US19270165725
申请日期
1927.02.03
申请人
A. G. BROWN BOVERI & CIE.
发明人
KUBLER JOHANNES
分类号
H01F29/04
主分类号
H01F29/04
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