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发明名称
EARTH FAULT PROTECTION FOR DIRECT CURRENT TRANSMISSION
摘要
申请公布号
CA803650(A)
申请公布日期
1969.01.07
申请号
CAD803650
申请日期
申请人
ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET
发明人
ARNE JOHANSSON
分类号
主分类号
代理机构
代理人
主权项
地址
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