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发明名称
ELECTRIC MOTOR ROTATIONAL SPEED CONTROL SYSTEM
摘要
申请公布号
PL129770(B1)
申请公布日期
1984.06.30
申请号
PL19800223463
申请日期
1980.04.15
申请人
发明人
分类号
H02P;(IPC1-7):H02P5/16
主分类号
H02P
代理机构
代理人
主权项
地址
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