Cite chart
IEA (2024), Heat pump patents share by inventor country, 2019-2020, IEA, Paris https://www.iea.org/data-and-statistics/charts/heat-pump-patents-share-by-inventor-country-2019-2020, Licence: CC BY 4.0
IEA (2024), Heat pump patents share by inventor country, 2019-2020, IEA, Paris https://www.iea.org/data-and-statistics/charts/heat-pump-patents-share-by-inventor-country-2019-2020, Licence: CC BY 4.0
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