GOST R 52857.9-2007 Vessels and apparatus. Norms and methods of strength calculation. Determination of stresses at nozzle-to-shell and head junctions under action of pressure and external loads on the nozzle
2007GOST R 52857.9-2007 Vessels and apparatus. Norms and methods of strength calculation. Determination of stresses at nozzle-to-shell and head junctions under action of pressure and external loads on the nozzle