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发明名称
Устройство для сигнализации при замыканиях на землю в системах с незаземленной нейтралью
摘要
申请公布号
SU103558(A1)
申请公布日期
1955.11.30
申请号
SU19500438759
申请日期
1950.11.23
申请人
BEREZOVSKIJ A.F.
发明人
BEREZOVSKIJ A.F.
分类号
H02H7/26;H02H3/16
主分类号
H02H7/26
代理机构
代理人
主权项
地址
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