CEN/TC 226
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
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 |
72924 | prEN 1794-3 rev | Road traffic noise reducing devices - Non-acoustic performance - Part 3: Reaction to fire - Burning behaviour of noise reducing devices and classification | Izstrādē |
10648 | prEN 1823 | Road equipment - Emergency roadside telephones | Izstrādē |
Displaying 411-413 of 413 results.