Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - Sound absorption under direct sound field conditions
NORM herausgegeben am 1.4.2026
Designation standards: STN EN 1793-5
Classification mark: 736041
Catalog number: 142266
Publication date standards: 1.4.2026
Approximate weight : 57 g (0.13 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN