Technical rule
[Withdrawn]
CEN ISO/TR 20172
CEN ISO/TR 20172
Welding - Grouping systems for materials - European materials (ISO/TR 20172:2009)
Title (German)
Schweißen - Werkstoffgruppeneinteilung - Europäische Werkstoffe (ISO/TR 20172:2009)
Responsible national committee
NA 092-00-04 AA - Quality assurance of welding (DVS AG Q 2)