CEN/TC 226
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10644 | EN 1793-2:1997 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics of airborne sound insulation | Atcelts |
| 72918 | EN 1793-1:2025 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics - Sound absorption under diffuse sound field conditions | Standarts spēkā |
| 41567 | EN 1793-1:2017 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions | Atcelts |
| 33444 | EN 1793-1:2012 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption | Atcelts |
| 10633 | EN 1793-1:1997 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption | Atcelts |
| 38674 | EN 1790:2013 | Road marking materials - Preformed road markings | Izstrādē |
| 10676 | EN 1790:1998/prA1 | Road marking materials - Preformed road markings | Izstrādē |
| 10610 | EN 1790:1998 | Road marking materials - Preformed road markings | Atcelts |
| 74233 | EN 17383:2024 | Road traffic noise reducing devices - Sustainability: Key Performance Indicators (KPIs) Declaration | Standarts spēkā |
| 78968 | EN 16303:2020/prA1 | Road restraint systems - Validation and verification process for the use of virtual testing in crash testing against vehicle restraint system | Aptauja slēgta |
Displaying 281-290 of 422 results.