Acoustics - Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation test room (ISO 5135:2020)
NORMA vydaná dňa 14.4.2021
Designation standards: UNE-EN ISO 5135:2021
Publication date standards: 14.4.2021
The number of pages: 23
Approximate weight : 69 g (0.15 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE