Transformers; three-phase oil immersed type power transformers with off-circuit tapchanger or with on-load tap-changer 2000 to 10000 kVA for 50 Hz and U<(Index)m> up to 123 kV; characteristics— 3 стр.
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.
Transformers; three-phase oil immersed type power transformers with off-circuit tap-changer or with on-load tap-changer 12500 to 80000 kVA for 50 Hz and U<(Index)m> up to 123 kV; characteristics— 3 стр.
Prevailing torque type hexagon nuts (with non-metallic insert), style 1 - Property classes 5, 8 and 10 (ISO 7040:1997); German version EN ISO 7040:1997— 6 стр.