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经营范围
发明名称
Improvements in and relating to the control of electric motors
摘要
申请公布号
GB432433(A)
申请公布日期
1935.07.26
申请号
GB19340002777
申请日期
1934.01.26
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED;RALPH DAVID GIVEN
发明人
分类号
H02P25/12
主分类号
H02P25/12
代理机构
代理人
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地址
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