CEN/TC 226
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
79239 | prEN 12899-1-3 rev | Fixed, vertical road traffic signs — Part 1-3: Supports | Izstrādē |
22361 | EN 12899-1:2001/prA1 | Fixed, vertical road traffic signs - Part 1: Fixed signs | Izstrādē |
67075 | prEN 12899-3 rev | Fixed, vertical road traffic signs - Part 3: Delineator posts and their retroreflectors | Izstrādē |
40406 | prEN 12899-4 rev | Fixed, vertical road traffic signs - Part 4: Factory production control | Izstrādē |
37139 | prEN 14389-2 rev | Road traffic noise reducing devices - Procedures for assessing long term performance - Part 2: Non-acoustical characteristics | Izstrādē |
34477 | FprEN 14388 rev | Road traffic noise reducing devices - Specifications | Izstrādē |
37138 | prEN 14389-1 rev | Road traffic noise reducing devices - Procedures for assessing long term performance - Part 1: Acoustical characteristics | Izstrādē |
37137 | prEN 1793-4 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - In situ values of sound diffraction | Izstrādē |
61089 | 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 | Izstrādē |
69690 | EN 1793-6:2018/prA1 | 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 | Izstrādē |
Displaying 131-140 of 414 results.