Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:2020)
NORMA vydaná dňa 13.10.2021
Designation standards: UNE-EN ISO 11691:2021
Publication date standards: 13.10.2021
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE