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Refrigerating systems and heat pumps. Valves. Requirements, testing and marking.
Translate name
STANDARD published on 5.1.2025
Designation standards: BS EN ISO 21922:2021+A1:2024
Publication date standards: 5.1.2025
SKU: NS-1209858
The number of pages: 106
Approximate weight : 349 g (0.77 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 978 0 539 22514 3 Status: Definitive
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Latest update: 2026-09-19 (Number of items: 2 302 332)
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