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发明名称
Устройство для регулирования скорости электродвигателя постоянного тока
摘要
申请公布号
SU81273(A1)
申请公布日期
1948.11.30
申请号
SU19470352143
申请日期
1947.02.11
申请人
KRAJTSBERG M.I.
发明人
KRAJTSBERG M.I.
分类号
H02P7/06
主分类号
H02P7/06
代理机构
代理人
主权项
地址
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