Draft standard
OENORM EN ISO 21922/A1:2023-03-15 - Draft
Refrigerating systems and heat pumps - Valves - Requirements, testing and marking (ISO 21922:2021/DAM 1:2023) (Amendment)
- German title
- Kälteanlagen und Wärmepumpen - Ventile - Anforderungen, Prüfung und Kennzeichnung (ISO 21922:2021/DAM 1:2023) (Änderung)
- Publication date
-
2023-03-15
- Original language
-
English
- Pages
- 10
- Publication date
-
2023-03-15
- Original language
-
English
- Pages
- 10
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