CEN/TC 226
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 21679 | LVS EN 1794-1:2003 | Road traffic noise reducing devices - Non-acoustic performance - Part 1: Mechanical performance and stability requirements | Atcelts |
| 10634 | LVS EN 1794-1:1998 | Road traffic noise reducing devices - Non-acoustic performance - Part 1: Mechanical performance and stability requirements | Atcelts |
| 73250 | LVS EN 1793-6+A1:2021 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - In situ values of airborne sound insulation under direct sound field conditions | Standarts spēkā |
| 61087 | LVS EN 1793-6:2018 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - In situ values of airborne sound insulation under direct sound field conditions | Atcelts |
| 33443 | LVS EN 1793-6:2013 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - In situ values of airborne sound insulation under direct sound field conditions | Atcelts |
| 66883 | LVS EN 1793-5:2016/AC:2018 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - In situ values of sound reflection under direct sound field conditions | Standarts spēkā |
| 40400 | LVS EN 1793-5:2016 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - In situ values of sound reflection under direct sound field conditions | Standarts spēkā |
| 40404 | LVS EN 1793-4:2015 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - In situ values of sound diffraction | Standarts spēkā |
| 10645 | LVS EN 1793-3:1997 A | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 3: Normalised traffic noise spectrum | Standarts spēkā |
| 61089 | LVS EN 1793-2:2018 | 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 | Standarts spēkā |
Displaying 91-100 of 413 results.