Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics - Sound absorption under diffuse sound field conditions
NORM herausgegeben am 1.4.2026
Designation standards: STN EN 1793-1
Classification mark: 736041
Catalog number: 142263
Publication date standards: 1.4.2026
Approximate weight : 36 g (0.08 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN