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发明名称
Motor controller
摘要
申请公布号
US1874640(A)
申请公布日期
1932.08.30
申请号
US19280231917
申请日期
1928.05.31
申请人
CUTLER-HAMMER, INC.
发明人
SEEGER EDWIN W.
分类号
H02P25/26
主分类号
H02P25/26
代理机构
代理人
主权项
地址
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