Methods of a - weighted sound pressure level measurement for pumps 泵用加權噪聲壓強的測量方法
Rolling bearings - measuring methods of a - weighted sound pressure levels 滾動軸承. a加權聲壓級的測量方法
Mechanical presses - methods of measurement of a - weighted sound pressure level 機械壓力機. a -加權聲壓級測量方法
Fans , blowers and compressors - determination of a - weighted sound pressure level 風扇鼓風機和壓縮機.加權噪聲壓強的測定
Acoustics - hearing protectors - part 2 : estimation of effective a - weighted sound pressure levels when hearing protectors are worn 聲學護聽器第2部分:戴護聽器時有效的a計權聲壓級估算
Acoustics - hearing protectors - estimation of effective a - weighted sound pressure levels when hearing protectors are worn 聲學.聽力保護器.第2部分:當佩戴聽力保護器時對有效a -加權聲壓級的估算
Acoustics . hearing protectors . part 2 : estimation of effective a - weighted sound pressure levels when hearing protectors are worn 聲學.聽力保護器.第2部分:聽力保護器損壞后a型加權聲級有效性的評估
Acoustics - hearing protectors - part 2 : estimation of effective a - weighted sound pressure levels when hearing protectors are worn iso 4869 - 2 : 1994 ; german version en iso 4869 - 2 : 1995 聲學.聽力保護器.第2部分:當聽力保護器磨損時有效a -