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发明名称
Improvements in and relating to the conversion of current
摘要
申请公布号
GB403814(A)
申请公布日期
1934.01.04
申请号
GB19330001178
申请日期
1933.01.13
申请人
AKTIENGESELLSCHAFT BROWN, BOVERI & CIE
发明人
分类号
H02M7/00
主分类号
H02M7/00
代理机构
代理人
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地址
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