Threaded pipe joints. Nominal pressures
NORMA vydaná dňa 1.1.1977
Designation standards: GOST 21972-76
Publication date standards: 1.1.1977
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST
Implemented changes and corrections:
Amd. 2.86
Amd. 8.92