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发明名称
Apparatus for exciting alternating-current machines
摘要
申请公布号
US1770073(A)
申请公布日期
1930.07.08
申请号
US19290333653
申请日期
1929.01.19
申请人
GAY FRAZER W
发明人
GAY FRAZER W.
分类号
H02P9/14
主分类号
H02P9/14
代理机构
代理人
主权项
地址
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