Acoustics; statistical methods for determining and verifying stated noise emission values of machinery and equipment - Part 1: General considerations and definitions; (Identical with ISO 7574-1:1985) German version EN 27574-1:1988
声学确定和验证机械和设备规定噪声排放值的统计方法;第1部分:一般考虑和定义;(与ISO 7574-1:1985相同);德文版EN 27574-1:1988