CEN/TC 226
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 38673 | FprEN 1424 rev | Road marking materials - Premix glass beads | Izstrādē |
| 63006 | FprEN 14388 | Road traffic noise reducing devices - Specifications | Izstrādē |
| 71309 | FprEN 14388 | Road traffic noise reducing devices - Characteristics | Izstrādē |
| 34477 | FprEN 14388 rev | Road traffic noise reducing devices - Specifications | Izstrādē |
| 35403 | FprEN 1790 | Road marking materials - Preformed road markings | Izstrādē |
| 29161 | FprEN 1790 | Road marking materials - Preformed road markings | Izstrādē |
| 72918 | FprEN 1793-1 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics - Sound absorption under diffuse sound field conditions | Izstrādē |
| 72914 | FprEN 1793-2 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics - Airborne sound insulation under diffuse sound field conditions | Izstrādē |
| 72917 | FprEN 1793-3 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 3: Normalized traffic noise spectrum | Izstrādē |
| 72916 | FprEN 1793-4 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - Intrinsic sound diffraction | Izstrādē |
Displaying 191-200 of 413 results.