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发明名称
Устройство для автоматического регулирования числа оборотов трехфазного асинхронного двигателя
摘要
申请公布号
SU62143(A1)
申请公布日期
1941.11.30
申请号
SU19400042809
申请日期
1940.12.31
申请人
FRENKIN B.M.
发明人
FRENKIN B.M.
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