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经营范围
发明名称
Improvements in and relating to speed control of electric motors
摘要
申请公布号
GB687799(A)
申请公布日期
1953.02.18
申请号
GB19500028050
申请日期
1950.11.16
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED;RAYMOND GEORGES RAYDEN
发明人
分类号
B65H23/04;B65H23/185
主分类号
B65H23/04
代理机构
代理人
主权项
地址
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