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发明名称
Improvements in or relating to the control of electrical motors
摘要
申请公布号
GB348732(A)
申请公布日期
1931.05.21
申请号
GB19300006088
申请日期
1930.02.24
申请人
FRANCIS ARTHUR CAM
发明人
分类号
H02P1/54
主分类号
H02P1/54
代理机构
代理人
主权项
地址
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