Каталог стандартов

+7 (495) 223-46-76 +7 (812) 309-78-59
inform@normdocs.ru

DIN 42500:1967-04

Отменен
Transformers with copper windings; oil immersed natural cooling (S), three-phases, 50 Hz up to 630 kVA and insulation class 20 N (EEC standard series) — 2 стр.