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ISO 11654:1997

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

General information

90.93     4 dhj 2023

ISO

ISO/TC 43/SC 2

International Standard

91.120.20  

frëngjisht   anglisht  

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NOW

PUBLISHED
ISO 11654:1997
90.93 Standard confirmed
4 dhj 2023

REVISED BY

ABANDON
ISO/DIS 11654.2