DIN ISO 20189-2020 聲學. 供室內使用的屏風,家具和單個物品. 基于實驗室測量值的元件的吸聲和隔聲等級(ISO 20189-2018)
Acoustics - Screens, furniture and single objects intended for interior use - Rating of sound absorption and sound reduction of elements based on laboratory measurements (ISO 20189:2018)
This document specifies how screens, furniture and single objects intended for interior use are assessed with regard to sound absorption and specifies the evaluation of sound attenuation for floor screens. It also specifies under which circumstances various interior products for
Copyright ?2007-2022 ANTPEDIA, All Rights Reserved
京ICP備07018254號 京公網安備1101085018 電信與信息服務業務經營許可證:京ICP證110310號