
Tracked Changes. Aerospace series. Qualification and approval of personnel for non-destructive testing.
NORMA vydána dne 28.3.2022
Designation standards: BS EN 4179:2021-TC
Note: NEPLATNÁ
Publication date standards: 28.3.2022
The number of pages: 100
Approximate weight : 331 g (0.73 lbs)
Country: British technical standard
Kategorie: Technické normy BS