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Tracked Changes. Air to water heat pumps. Testing and rating at part load conditions and calculation of seasonal coefficient of performance for space heating.
Translate name
STANDARD published on 8.12.2023
Designation standards: BS ISO 21978:2023-TC
Publication date standards: 8.12.2023
SKU: NS-1160407
The number of pages: 131
Approximate weight : 424 g (0.93 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 978 0 539 29798 0 Status: Definitive
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