
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - In situ values of sound diffraction
STANDARD published on 15.5.2015
Designation standards: ÖNORM EN 1793-4
Note: WITHDRAWN
Publication date standards: 15.5.2015
The number of pages: 34
Approximate weight : 102 g (0.22 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM