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ISO 11821:1997

Acoustics — Measurement of the in situ sound attenuation of a removable screen
27 mar 1997

General information

90.93     25 mar 2024

ISO

ISO/TC 43/SC 1

International Standard

17.140.01  

frëngjisht   anglisht  

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ISO 11821:1997
90.93 Standard confirmed
25 mar 2024