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发明名称
ELECTRONIC SYSTEM FOR ADJUSTMENT OF ROTATIONAL SPEED OF DIRECT CURRENT MOTOR
摘要
申请公布号
PL268380(A1)
申请公布日期
1989.05.02
申请号
PL19870268380
申请日期
1987.10.21
申请人
发明人
分类号
H02P;(IPC1-7):H02P/
主分类号
H02P
代理机构
代理人
主权项
地址
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