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经营范围
发明名称
Improvements relating to electric traction control equipment
摘要
申请公布号
GB517898(A)
申请公布日期
1940.02.12
申请号
GB19380024814
申请日期
1938.08.23
申请人
GEORGE ROBERT HIGGS;WILLIAM TRAIN GRAY;METROPOLITAN-VICKERS ELECTRICAL COMPANY LIMITED
发明人
分类号
B60L7/22
主分类号
B60L7/22
代理机构
代理人
主权项
地址
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