Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for small movable sources in reverberant fields - Part 1: Comparison method for a hard-walled test room (ISO 3743-1:2010)
NORMA vydaná dňa 1.6.2011
Designation standards: UNE-EN ISO 3743-1:2011
Publication date standards: 1.6.2011
The number of pages: 46
Approximate weight : 138 g (0.30 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE