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发明名称
CHOPPER CONTROLLER FOR A DC MOTOR
摘要
申请公布号
GB2074404(B)
申请公布日期
1983.10.19
申请号
GB19810010663
申请日期
1981.04.06
申请人
HITACHI LTD
发明人
分类号
H02P7/298;H02P23/00;(IPC1-7):H02P7/28
主分类号
H02P7/298
代理机构
代理人
主权项
地址
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