Standard
[CURRENT]
UNE-EN ISO 21922:2022-07-13
Refrigerating systems and heat pumps - Valves - Requirements, testing and marking (ISO 21922:2021)
- Publication date
-
2022-07-13
- Original language
-
Spanish
- Pages
- 112
- Publication date
-
2022-07-13
- Original language
-
Spanish
- Pages
- 112
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