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DIN 42523-3:1997-12

Отменен
Three-phase dry-type distribution transformers 50 Hz, from 100 to 2500 kVA, with highest voltage for equipment not exceeding 36 kV - Part 3: Determination of the power rating of a transformer loaded with non-sinusoidal current; German version HD 538.3 S1:1997 — 4 стр.