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Electrical equipment at voltages of 3 kV and above. Test methods of electric strength of external insulation in conditions of contamination
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Electric energy semiconductor converters with power 5 kV x A and higher. Marking, packing, transportation and storage
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Electric cables. Calculation of the current rating. Part 2-2. Thermal resistance. A method for calculating reduction factors for groups of cables in free air, protected from solar radiation
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