ISO 20189:2018 声学室内使用的屏幕、家具和单个物体基于实验室测量的元件的吸音和减音等级

标准编号：ISO 20189:2018

中文名称：声学室内使用的屏幕、家具和单个物体基于实验室测量的元件的吸音和减音等级

英文名称：Acoustics — Screens, furniture and single objects intended for interior use — Rating of sound absorption and sound reduction of elements based on laboratory measurements