DIN EN 1793-3:1997-11 Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 3: Normalised traffic noise spectrum; German version EN 1793-3:1997 / Note: To be replaced by DIN EN 1793-3 (in preparation).
2023DIN EN 1793-3:2023-08 Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 3: Normalized traffic noise spectrum; German and English version prEN 1793-3:2023 / Note: Date of issue 2023-07-21*Intended as replacement for DIN EN 1793...
1997DIN EN 1793-3:1997-11 Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 3: Normalised traffic noise spectrum; German version EN 1793-3:1997 / Note: To be replaced by DIN EN 1793-3 (in preparation).
1997DIN EN 1793-3:1997 Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 3: Normalised traffic noise spectrum; German version EN 1793-3:1997