DVS 1162-1995 DVS Educational Institution Metal Materials Welder Examination Regulations
DVS 1191-1999 Training and testing of personnel in the field of welding, cutting and coating (FTB) DVS and DVS-PersZert Directory of approved educational institutions
EN 287 Qualification test of welders - Fusion welding - Part 6: Cast irons*, 2018-04-01 Update
EN 439:1994 Welding Consumables Shielding Gases for Arc Welding and Cutting
EN 440:1994 Welding Consumables - Wire Electrodes and Deposits for Gas Shielded Metal Arc Welding of Non Alloy and Fine Grain Steels - Classification