
Refrigerating systems and heat pumps. Valves. Requirements, testing and marking
NORM herausgegeben am 1.6.2022
Designation standards: GOST 34777-2021
Publication date standards: 1.6.2022
The number of pages: 48
Approximate weight : 144 g (0.32 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST
Implemented changes and corrections:
Amd. 6.22