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发明名称
Improvements in and relating to electric frequency converters
摘要
申请公布号
GB313920(A)
申请公布日期
1930.07.17
申请号
GB19290018351
申请日期
1929.06.14
申请人
INTERNATIONAL GENERAL ELECTRIC COMPANY INCORPORATED
发明人
分类号
H02K47/20
主分类号
H02K47/20
代理机构
代理人
主权项
地址
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