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DIN 42508-4:1993-05

Отменен
Transformers; three-phase oil immersed transformers with off-circuit tap-changer or with on-load tap-changer, 12500 to 80000 kVA for 50 Hz and U<(Index)m> 123 kV; main dimensions and weights for 25000 to 40000 kVA — 4 стр.
ICS
29.180 Transformers. Reactors / Трансформаторы. Реакторы