
Aerospace series. Qualification and approval of personnel for non-destructive testing.
NORMA vydaná dňa 18.1.2022
Designation standards: BS EN 4179:2021
Note: NEPLATNÁ
Publication date standards: 18.1.2022
The number of pages: 40
Approximate weight : 120 g (0.26 lbs)
Country: British technical standard
Kategória: Technické normy BS