EN ISO 11203:2009/A1:2020 声学.机械设备发出的噪声.根据声功率级测定工作站和其他指定位置的发射声压级 包含修改件A1,2020
Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions from the sound power level - Amendment 1 (ISO 11203:1995/Amd 1:2020)