Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering/survey methods for use in situ in a reverberant environment (ISO 3747:2010)
NORMA vydaná dňa 28.9.2011
Designation standards: UNE-EN ISO 3747:2011
Publication date standards: 28.9.2011
The number of pages: 53
Approximate weight : 159 g (0.35 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE