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发明名称
PROTECTING EARTHING SYSTEM FOR HIGH VOLTAGE MINE POWER NETWORKS
摘要
申请公布号
PL113924(B3)
申请公布日期
1981.01.31
申请号
PL19780205036
申请日期
1978.03.01
申请人
发明人
分类号
G05B;H02H;H02H3/16;H02H7/26;(IPC1-7):H02H7/26
主分类号
G05B
代理机构
代理人
主权项
地址
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