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发明名称
Motor control system
摘要
申请公布号
US2137721(A)
申请公布日期
1938.11.22
申请号
US19380184964
申请日期
1938.01.14
申请人
CUTLER-HAMMER, INC.
发明人
JONES JESSE E.
分类号
H02P7/00
主分类号
H02P7/00
代理机构
代理人
主权项
地址
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