Non-destractive testing. Set of standard samples for ultrasonic testing half-finished and alluminium alloy products. Basic parameters
NORM herausgegeben am 1.1.1983
Designation standards: GOST 21397-81
Publication date standards: 1.1.1983
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST
Implemented changes and corrections:
Amd. 8.87