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发明名称
Speed-control systems for wound rotor motors
摘要
申请公布号
US2798193(A)
申请公布日期
1957.07.02
申请号
US19510250083
申请日期
1951.10.06
申请人
BEHR HERBERT R
发明人
BEHR HERBERT R.
分类号
H02P25/28
主分类号
H02P25/28
代理机构
代理人
主权项
地址
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