NS-EN ISO 11203:2009
声学 机械和设备发出的噪声 根据声功率级确定工作站和其他指定位置的发射声压级(ISO 11203:1995)
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 (ISO 11203:1995)