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发明名称
Electric control system for adjusting and controlling speed of a series motor
摘要
申请公布号
US2777106(A)
申请公布日期
1957.01.08
申请号
US19530352428
申请日期
1953.05.01
申请人
BROWN WALTER J
发明人
BROWN WALTER J.
分类号
H02P7/06
主分类号
H02P7/06
代理机构
代理人
主权项
地址
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