Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics of airborne sound insulation under diffuse sound field conditions
NORMA vydána dne 20.2.2019
Designation standards: UNE-EN 1793-2:2019
Publication date standards: 20.2.2019
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE