Registration number (WIID)Project No.TitleStatus
72925LVS EN 1794-1:2024Road traffic noise reducing devices - Non-acoustic performance - Part 1: Methods of determination of the mechanical and stability characteristicsStandarts spēkā
72924prEN 1794-3 revRoad traffic noise reducing devices - Non-acoustic performance - Part 3: Reaction to fire - Burning behaviour of noise reducing devices and classificationIzstrādē
72923LVS EN 1794-2:2024Road traffic noise reducing devices - Non-acoustic performance - Part 2: Methods of determination of the general safety and environmental characteristicsStandarts spēkā
72923EN 1794-2:2024Road traffic noise reducing devices - Non-acoustic performance - Part 2: Methods of determination of the general safety and environmental characteristicsStandarts spēkā
72922prEN 14389-2 revRoad traffic noise reducing devices - Procedures for assessing long term performance - Part 2: Non-acoustical characteristicsIzstrādē
72921EN 14389:2023Road traffic noise reducing devices - Procedures for assessing long term performanceIzstrādē
72921LVS EN 14389:2023Road traffic noise reducing devices - Procedures for assessing long term performanceStandarts spēkā
72920LVS EN 1793-6:2025Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - Airborne sound insulation under direct sound field conditionsStandarts spēkā
72920EN 1793-6:2025Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - Airborne sound insulation under direct sound field conditionsStandarts spēkā
72918LVS EN 1793-1:2025Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics - Sound absorption under diffuse sound field conditionsStandarts spēkā
Displaying 41-50 of 427 results.