Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (ISO 3744:2010)
NORMA vydaná dňa 27.7.2011
Designation standards: UNE-EN ISO 3744:2011
Publication date standards: 27.7.2011
The number of pages: 88
Approximate weight : 295 g (0.65 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE