Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Procedures for assessing long term performance-Acoustic characteristics
铁路应用 轨道作用于空气声传播的隔音屏障和相关装置 评估长期绩效的程序 声学特性
Cross References:EN 60721-3-4IEC 60721-3-4EN 14389-1EN 14389-2EN 16272-3-1EN 16272-3-2All current amendments available at time of purchase are included with the purchase of this document.