BS EN ISO 11203:1996 聲學(xué).機(jī)械裝置及設(shè)備發(fā)出的噪聲.在工作地點(diǎn)和其它試驗(yàn)場所從聲功率級測量聲壓級
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