Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance-Intrinsic characteristics. In situ values of sound reflection under direct sound field conditions
铁路应用 轨道作用于空气声传播的隔音屏障和相关装置 测定声学性能的试验方法
Cross References:prEN 16272-3-2:2012EN 61672-1ISO/IEC Guide 98-3IEC 61672-1GUM:1995EN 16272-1EN 16272-3-1EN 60721-3-4IEC 60721-3-4ISO 13472-1:2002EN 60942:2003IEC 60942:2003EN 61260:1995IEC 61260:1995All current amendments available at time of purchase are included with the purchase of this document.