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发明名称
Speed control system
摘要
申请公布号
US2408451(A)
申请公布日期
1946.10.01
申请号
US19400371368
申请日期
1940.12.23
申请人
SORENSEN EDWARD M
发明人
SORENSEN EDWARD M.
分类号
H02P5/50
主分类号
H02P5/50
代理机构
代理人
主权项
地址
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