CEN/TC 256
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 72310 | prEN 14587-3 | Railway applications - Infrastructure - Flash butt welding of rails - Part 3: Welding in association with crossing construction | Aptauja slēgta |
| 72311 | prEN 15594 | Railway applications - Infrastructure - Restoration of rails by electric arc welding | Aptauja |
| 72342 | EN 16272-1:2023 | Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics - Sound absorption under diffuse sound field conditions | Standarts spēkā |
| 72342 | LVS EN 16272-1:2024 | Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics - Sound absorption under diffuse sound field conditions | Standarts spēkā |
| 72343 | EN 16272-3-2:2023 | Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 3-2: Normalized railway noise spectrum and single number ratings for direct sound field applications | Standarts spēkā |
| 72343 | LVS EN 16272-3-2:2024 | Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 3-2: Normalized railway noise spectrum and single number ratings for direct sound field applications | Standarts spēkā |
| 72344 | LVS EN 16272-3-1:2024 | Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 3-1: Normalized railway noise spectrum and single number ratings for diffuse sound field applications | Standarts spēkā |
| 72344 | EN 16272-3-1:2023 | Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 3-1: Normalized railway noise spectrum and single number ratings for diffuse sound field applications | Standarts spēkā |
| 72345 | LVS EN 16272-2:2024 | Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics - Airborne sound insulation under diffuse sound field conditions | Standarts spēkā |
| 72345 | EN 16272-2:2023 | Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics - Airborne sound insulation under diffuse sound field conditions | Standarts spēkā |
Displaying 1621-1630 of 1875 results.