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EVS-EN ISO 17225-1:2021 Tahked biokütused : kütuste spetsifikatsioon ja klassid. Osa 1, Üldnõuded = Solid biofuels : fuel specifications and classes. Part 1, General requirements (ISO 17225-1:2021)
Eesti Standardimis- ja Akrediteerimiskeskus, Interlex (tõlkebüroo)