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发明名称
DIRECT CURRENT MOTOR CONTROL SYSTEM
摘要
申请公布号
US3555389(A)
申请公布日期
1971.01.12
申请号
USD3555389
申请日期
1968.10.10
申请人
POWER CONTROL CORP.
发明人
KENNETH E. OPAL
分类号
H02M3/137;H02P7/29;(IPC1-7):H02P5/16
主分类号
H02M3/137
代理机构
代理人
主权项
地址
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