2014NB/T 20290-2014 Qualifying of continuous duty safety class motors for nuclear power plants
1998EJ/T 628-1999 Qualifying continuous duty class 1E motors for nuclear power plants
EJ/T 628-1999 Qualifying continuous duty class 1E motors for nuclear power plants was changed to NB/T 20290-2014 Qualifying of continuous duty safety class motors for nuclear power plants.