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2003-06-10

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2003-06-10

Acoustics — Sound absorbers for use in buildings — Rating of sound absorption
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1997-03-27

ACOUSTICS. SOUND ABSORBERS FOR USE IN BUILDINGS. RATING OF SOUND ABSORPTION. (ISO 11654:1997).
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Материалы звукопоглощающие, применяемые в зданиях. Оценка звукопоглощения
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2011-12-08

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2023-03-17

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)
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2020-12-01