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发明名称
Improved control device for electric motors
摘要
申请公布号
GB591634(A)
申请公布日期
1947.08.25
申请号
GB19440023909
申请日期
1944.11.30
申请人
GENERAL MOTORS CORPORATION
发明人
分类号
H01H61/00;H02H7/085;H02P1/42
主分类号
H01H61/00
代理机构
代理人
主权项
地址
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