| 1. | Methods of a - weighted sound pressure level measurement for pumps
泵用加权噪声压强的测量方法 |
| 2. | Rolling bearings - measuring methods of a - weighted sound pressure levels
滚动轴承. a加权声压级的测量方法 |
| 3. | Mechanical presses - methods of measurement of a - weighted sound pressure level
机械压力机. a -加权声压级测量方法 |
| 4. | Fans , blowers and compressors - determination of a - weighted sound pressure level
风扇鼓风机和压缩机.加权噪声压强的测定 |
| 5. | Acoustics - hearing protectors - part 2 : estimation of effective a - weighted sound pressure levels when hearing protectors are worn
声学护听器第2部分：戴护听器时有效的a计权声压级估算 |
| 6. | Acoustics - hearing protectors - estimation of effective a - weighted sound pressure levels when hearing protectors are worn
声学.听力保护器.第2部分:当佩戴听力保护器时对有效a -加权声压级的估算 |
| 7. | Acoustics . hearing protectors . part 2 : estimation of effective a - weighted sound pressure levels when hearing protectors are worn
声学.听力保护器.第2部分:听力保护器损坏后a型加权声级有效性的评估 |
| 8. | 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
声学.听力保护器.第2部分:当听力保护器磨损时有效a - |
