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经营范围
发明名称
AC MOTOR SPEED CONTROLLER.
摘要
申请公布号
GB2201815(B)
申请公布日期
1991.03.27
申请号
GB19880004542
申请日期
1988.02.26
申请人
* GEC
发明人
DAVID JOHN * BYERS;JOHN ROBERT * PENNY
分类号
G01R19/00;H02M7/539;H02P23/00;H02P27/08
主分类号
G01R19/00
代理机构
代理人
主权项
地址
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