Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics. In situ values of sound reflection under direct sound field conditions.
NORMA vydána dne 14.8.2018
Designation standards: BS EN 1793-5:2016
Note: NEPLATNÁ
Publication date standards: 14.8.2018
The number of pages: 62
Approximate weight : 186 g (0.41 lbs)
Country: British technical standard
Kategorie: Technické normy BS