DIN EN ISO 3745:2012-07 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 (ISO 3745:2012); German version EN ISO 3745:2012

标准编号：DIN EN ISO 3745:2012-07

英文标题：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 (ISO 3745:2012); German version EN ISO 3745:2012

德文标题：Akustik - Bestimmung der Schallleistungs- und Schallenergiepegel von Geräuschquellen aus Schalldruckmessungen - Verfahren der Genauigkeitsklasse 1 für reflexionsarme Räume und Halbräume (ISO 3745:2012); Deutsche Fassung EN ISO 3745:2012

发布日期：2012-07

DIN EN ISO 3745:2012-07 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 (ISO 3745:2012); German version EN ISO 3745:2012

标准预览图