Rods for welding deposit
NORMA vydána dne 1.1.1977
Designation standards: GOST 21449-75
Publication date standards: 1.1.1977
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST
Implemented changes and corrections:
Amd. 10.81
Amd. 11.86
Amd. 12.87
Amd. 7.91