
Refrigerating systems and heat pumps — Valves — Requirements, testing and marking — Amendment 1
NORM herausgegeben am 13.11.2024
Designation standards: ISO 21922:2021/Amd1:2024
Note: Änderung
Publication date standards: 13.11.2024
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: International technical standard
Kategorie: Technische Normen ISO