NS-EN 27574-2:1988
声学 确定和验证机械设备规定噪声发射值的统计方法 第2部分:单个机器规定值的方法(ISO 7574-2:1985)
Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and equipment — Part 2: Methods for stated values for individual machines (ISO 7574-2:1985)