Non-destructive testing. Ferrosonde method
NORMA vydaná dňa 1.7.1976
Designation standards: GOST 21104-75
Note: NEPLATNÁ
Publication date standards: 1.7.1976
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST
Implemented changes and corrections:
Amd. 9.81
Amd. 5.86