>ISO Standards>ISO 3745:2012/Amd 1:2017-Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms — Amendment 1
immediate downloadReleased: 2017-04
ISO 3745:2012/Amd 1:2017
ISO 3745:2012/Amd 1:2017-Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms — Amendment 1
