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发明名称
Motor control apparatus
摘要
申请公布号
US1843762(A)
申请公布日期
1932.02.02
申请号
US19310549698
申请日期
1931.07.09
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
DALZELL CLARENCE W.
分类号
B61L5/06
主分类号
B61L5/06
代理机构
代理人
主权项
地址
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