DIN EN 16727-3:2017 轨道交通. 轨道. 作用于空气传声的隔音屏障及相关设备. 非声学性能. 第3部分: 通用安全和环境要求; 德文版本EN 16727-3-2017
Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Non-acoustic performance - Part 3: General safety and environmental requirements; German version EN 16727-3:2017