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发明名称
MOVING CONTACT ELECTRIC CURRENT CONVERTERS
摘要
申请公布号
CA471622(A)
申请公布日期
1951.02.20
申请号
CAD471622
申请日期
申请人
AKTINGESELLSCHAFT BROWN, BOVERI AND CIE
发明人
ALEXANDER GOLDSTEIN
分类号
主分类号
代理机构
代理人
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