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
DVS-EWF 1132-1999 history
1991DVS 1132-1991 DVS course; gas tungsten arc welding
1987DVS 1132-1987 DVS course; gas tungsten arc welding
1984DVS 1132-1984 DVS training courses; gas-shielded tungsten arc welding
0000 DVS 1131-1983
1968DVS 1131-1968 Introductory Inert Gas Welding Course (80 hours)
DVS-EWF 1132-1999 DVS-EWF course tungsten inert gas shielded welding has been changed from DVS 1132-1991 DVS course; gas tungsten arc welding.