DIN EN 1794-1-2011 道路交通噪声降低装置.非声学性能.第1部分:机械性能和稳定性要求;德文版本EN 1794-1-2011
Road traffic noise reducing devices - Non-acoustic performance - Part 1: Mechanical performance and stability requirements; German version EN 1794-1:2011
This European Standard specifies criteria to categories road traffic noise reducing devices according to basic mechanical performance under standard conditions of exposure, irrespective of the materials used.