NA 082
DIN Standards Committee Piping and Boiler Plant
Technical rule
[CURRENT]
CEN ISO/TR 20172
CEN ISO/TR 20172
Welding - Grouping systems for materials - European materials (ISO/TR 20172:2021)
Title (German)
Schweißen - Werkstoffgruppeneinteilung - Europäische Werkstoffe (ISO/TR 20172:2021)