Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics. In situ values of airborne sound insulation under direct sound field conditions.
NORMA vydaná dňa 19.3.2021
Designation standards: BS EN 1793-6:2018+A1:2021
Note: NEPLATNÁ
Publication date standards: 19.3.2021
The number of pages: 54
Approximate weight : 162 g (0.36 lbs)
Country: British technical standard
Kategória: Technické normy BS