GB/T 14573.1-1993
声学 确定和检验机器设备规定的噪声辐射值的统计学方法 第1部分;概述与定义
Acoustics. Statistical methods for determining and verifying stated noise emission values of machinery and equipment. Part 1: General considerations and definitions
GBT14573.1-1993, GB14573.1-1993