2023UNE-EN ISO 13920:2023 Welding - General tolerances for welded constructions - Dimensions for lengths and angles - Shape and position (ISO 13920:2023)
1997UNE-EN ISO 13920:1997 WELDING. GENERAL TOLERANCES FOR WELDED CONSTRUCTIONS. DIMENSIONS FOR LENGTHS AND ANGLES. SHAPE AND POSITION. (ISO 13920:1996).