Road traffic noise reducing devices - Non-acoustic performance - Part 2: General safety and environmental requirements; German version EN 1794-2:2011— 28 стр.
Road traffic noise reducing devices - Non-acoustic performance - Part 1: Mechanical performance and stability requirements; German version EN 1794-1:2011— 29 стр.
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - In situ values of sound diffraction
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics of airborne sound insulation under diffuse sound field conditions; German version EN 1793-2:2012— 15 стр.
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions; German and English version prEN 1793-1:2015
Road traffic noise reducing devices - Specifications; German version EN 14388:2005, Corrigendum to DIN EN 14388:2005-10; German version EN 14388:2005/AC:2008— 2 стр.
Road traffic noise reducing devices - Specifications; German version EN 14388:2005, Corrigendum to DIN EN 14388:2005-10; German version EN 14388:2005/AC:2008— 2 стр.
