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IEC 60840:2020/COR1:2021 ed5.0

Действует
Corrigendum 1 - Power cables with extruded insulation and their accessories for rated voltages above 30 kV (U<sub>m </sub>= 36 kV) up to 150 kV (U<sub>m</sub> = 170 kV) - Test methods and requirements — 2 стр.