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发明名称
Speed control for electric motors
摘要
申请公布号
US2571454(A)
申请公布日期
1951.10.16
申请号
US19480036718
申请日期
1948.07.02
申请人
CUTLER-HAMMER, INC.
发明人
JONES JESSE E.;REEVES JAMES B.
分类号
B65H59/38
主分类号
B65H59/38
代理机构
代理人
主权项
地址
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