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EVS-EN ISO 717-1:2021 Akustika : hoonete ja ehituselementide heliisolatsiooni hindamine. Osa 1, Õhuheli isolatsioon = Acoustics : rating of sound insulation in buildings and of building elements. Part 1, Airborne sound insulation (ISO 717-1:2020)
Eesti Standardimis- ja Akrediteerimiskeskus, Pygmalion (osaühing)
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