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发明名称
Electrical circuit for direct current motors
摘要
申请公布号
US2236086(A)
申请公布日期
1941.03.25
申请号
US19370174789
申请日期
1937.11.16
申请人
CONOVER RICHARD E
发明人
CONOVER RICHARD E.
分类号
H02P7/26
主分类号
H02P7/26
代理机构
代理人
主权项
地址
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