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BS ISO 20189:2018 |  на печать | | 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 |
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| | Библиография | 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 | |
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