Draft International Standard
ISO 21922:2021/DAmd 1
Refrigerating systems and heat pumps — Valves — Requirements, testing and marking — Amendment 1
Reference number
ISO 21922:2021/DAmd 1
Edition 1
© ISO 2024
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This Draft International Standard is in the enquiry phase with ISO members.
This amendment applies to ISO 21922:2021 Refrigerating systems and heat pumps

ISO 21922:2021/DAmd 1

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