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经营范围
发明名称
Improved electric motor control system
摘要
申请公布号
GB602815(A)
申请公布日期
1948.06.03
申请号
GB19450020530
申请日期
1945.08.10
申请人
GENERAL MOTORS CORPORATION
发明人
分类号
H02P5/46
主分类号
H02P5/46
代理机构
代理人
主权项
地址
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