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发明名称
Устройство для регулирования скорости асинхронного двигателя
摘要
申请公布号
SU69771(A1)
申请公布日期
1946.11.30
申请号
SU19460346796
申请日期
1946.07.20
申请人
KRAJTSBERG M.I.
发明人
KRAJTSBERG M.I.
分类号
主分类号
代理机构
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