Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - In situ values of airborne sound insulation under direct sound field conditions
NORMA vydána dne 20.2.2019
Designation standards: UNE-EN 1793-6:2019
Note: NEPLATNÁ
Publication date standards: 20.2.2019
The number of pages: 54
Approximate weight : 162 g (0.36 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE