Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions
NORM herausgegeben am 1.12.2017
Designation standards: ČSN EN 1793-1
Classification mark: 737060
Catalog number: 503713
Note: UNGÜLTIG
Publication date standards: 1.12.2017
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN