Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption
NORM herausgegeben am 1.3.1998
Designation standards: ÖNORM EN 1793-1
Note: UNGÜLTIG
Publication date standards: 1.3.1998
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM