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经营范围
发明名称
Improvements in or relating to control for alternating current motors
摘要
申请公布号
GB658746(A)
申请公布日期
1951.10.10
申请号
GB19470029606
申请日期
1947.11.06
申请人
IGRANIC ELECTRIC COMPANY LIMITED
发明人
分类号
H02P3/18
主分类号
H02P3/18
代理机构
代理人
主权项
地址
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