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  4. Standard "ČSN EN ISO 21922:2022/A1"
Change ČSN EN ISO 21922:2022/A1 1.5.2025 preview

ČSN EN ISO 21922:2022/A1 (142014)

Chladicí zařízení a tepelná čerpadla - Ventily - Požadavky, zkoušení a značení (Norma k přímému použití jako ČSN).

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STANDARD published on 1.5.2025


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The information about the standard:

Designation standards: ČSN EN ISO 21922:2022/A1
Classification mark: 142014
Catalog number: 521099
Note: Change
Publication date standards: 1.5.2025
SKU: NS-1219577
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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Heat pumpsRefrigerating technology

This change (correction) applies to this standard:

Preview ČSN EN ISO 21922 1.5.2022 Preview of the standard
ČSN EN ISO 21922 (142014)

Refrigerating systems and heat pumps - Valves - Requirements, testing and marking

Standard published on 1.5.2022

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