ISO 5149-1:2014/Amd 2:2021

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ISO 5149-1:2014/Amd 2:2021 is an amendment to the International Standard for Refrigerating systems and heat pumps, specifically addressing safety and environmental requirements. This amendment, titled "Update of Annex A and the refrigerant tables," focuses on improving the accuracy and relevance of information related to refrigerant properties and classification.