Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics - Sound absorption in the laboratory under diffuse sound field conditions
NORMA vydaná dňa 11.9.2013
Designation standards: UNE-EN 16272-1:2013
Publication date standards: 11.9.2013
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE