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经营范围
发明名称
Improvements in and relating to transforming electric currents
摘要
申请公布号
GB382612(A)
申请公布日期
1932.10.17
申请号
GB19310020423
申请日期
1931.07.16
申请人
INTERNATIONAL GENERAL ELECTRIC COMPANY INCORPORATED
发明人
分类号
H02M3/31
主分类号
H02M3/31
代理机构
代理人
主权项
地址
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