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Refrigerating systems and heat pumps - Valves - Requirements, testing and marking (ISO 21922:2021)Translate name
STANDARD published on 1.2.2022
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Designation standards: STN EN ISO 21922
Classification mark: 142030
Catalog number: 134241
Publication date standards: 1.2.2022
Approximate weight : 60 g (0.13 lbs)
Country: Slovak technical standard
Category: Technical standards STN
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