Draft standard
23/30456623 DC:2023-02-24 - Draft
BS EN ISO 21922 AMD 1. Refrigerating systems and heat pumps. Valves. Requirements, testing and marking
- Publication date
-
2023-02-24
- Original language
-
English
- Pages
- 11
- Publication date
-
2023-02-24
- Original language
-
English
- Pages
- 11
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