1、 IEC 61481-2 Edition 1.0 2014-10 INTERNATIONAL STANDARD NORME INTERNATIONALE Live working Phase comparators Part 2:Resistive type to be used for voltages from 1 kV to 36 kV a.c.Travaux sous tension Comparateurs de phase Partie 2:Type rsistif pour usage sur des tensions alternatives de 1 kV 36 kV IEC
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