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)
NORMA vydána dne 10.10.2012
Designation standards: UNE-EN ISO 3745:2012
Publication date standards: 10.10.2012
The number of pages: 74
Approximate weight : 222 g (0.49 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE