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经营范围
发明名称
Improvements in electric supply systems supplying current to d.c. motors
摘要
申请公布号
GB507869(A)
申请公布日期
1939.06.19
申请号
GB19380013045
申请日期
1937.09.17
申请人
THE ENGLISH ELECTRIC COMPANY LIMITED;CYRIL EDWARD BASTON;ERIC ALTON BINNEY
发明人
分类号
H02P7/34
主分类号
H02P7/34
代理机构
代理人
主权项
地址
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