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发明名称
IMPROVEMENTS IN OR RELATING TO ELECTRIC MOTOR CIRCUITS
摘要
申请公布号
HK64581(A)
申请公布日期
1981.12.31
申请号
HK19810000645
申请日期
1981.12.24
申请人
HO WAI CHAU
发明人
分类号
D06F57/00;(IPC1-7):H02P1/16;H02P1/18;H02P3/08
主分类号
D06F57/00
代理机构
代理人
主权项
地址
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