
Welding - Grouping systems for materials - European materials (ISO/TR 20172:2021)
STANDARD published on 29.9.2021
Designation standards: UNE-CEN ISO/TR 20172:2021IN
Publication date standards: 29.9.2021
The number of pages: 42
Approximate weight : 126 g (0.28 lbs)
Country: Spanish technical standard
Category: Technical standards UNE