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发明名称
Improvements in and relating to regulating means for electric transformers
摘要
申请公布号
GB347538(A)
申请公布日期
1931.04.30
申请号
GB19300019869
申请日期
1930.06.30
申请人
INTERNATIONAL GENERAL ELECTRIC COMPANY INCORPORATED
发明人
分类号
H01F29/02
主分类号
H01F29/02
代理机构
代理人
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地址
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