BS ISO 20189:2018
Статус: Дата введения в действие:
Обозначение | BS ISO 20189:2018 |
---|---|
Заглавие на английском языке | Acoustics. Screens, furniture and single objects intended for interior use. Rating of sound absorption and sound reduction of elements based on laboratory measurements. Rating of sound absorption and sound reduction of elements based on laboratory measurements |
Количество страниц оригинала | 38 |