Arc-welded joints in aluminium and its weldable alloys - Guidance on quality levels for imperfections (ISO 10042:1992); German version EN 30042:1994— 14 стр.
Simple unfired pressure vessels designed to contain air or nitrogen; part 2: pressure vessels for air braking and auxiliary systems for motor-vehicles and their trailers; german version EN 286-2:1992— 37 стр.
Arc-welded joints in aluminium and its weldable alloys - Guidance on quality levels for imperfections (ISO 10042:1992); German version EN 30042:1994— 14 стр.