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ISO 11821:1997

Acoustics — Measurement of the in situ sound attenuation of a removable screen ISO 11821:1997

Publication date:   Mar 27, 1997

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90.93 Standard confirmed   Mar 25, 2024

ISO

ISO/TC 43/SC 1 Noise

International Standard

17.140.01   Acoustic measurements and noise abatement in general

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ISO 11821:1997
90.93 Standard confirmed
Mar 25, 2024