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经营范围
发明名称
Improvements in and relating to the exchange of energy between two alternating current networks
摘要
申请公布号
GB423575(A)
申请公布日期
1935.02.04
申请号
GB19330012399
申请日期
1933.04.28
申请人
AKTIENGESELLSCHAFT BROWN, BOVERI & CIE.
发明人
分类号
H02M5/447
主分类号
H02M5/447
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