Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane (ISO 3746:2010)
NORMA vydaná dňa 28.9.2011
Designation standards: UNE-EN ISO 3746:2011
Publication date standards: 28.9.2011
The number of pages: 58
Approximate weight : 174 g (0.38 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE