| 1. | Electroacoustics - sound level meters - specifications
电声学.声级计.规范 |
| 2. | Electroacoustics - sound level meters - part 1 : specifications
电声学.声级计.第1部分:规范 |
| 3. | Electroacoustics ; specifications for personal sound exposure meters
电声学.个人测声表规范 |
| 4. | Electroacoustics - sound level meters - part 1 : specifications
电声学.声级计.第1部分:规范 |
| 5. | Electroacoustics - specifications for personal sound exposure meters
电声学.个人测声表规范 |
| 6. | Electroacoustics - sound level meters - pattern evaluation tests
电声学.声级计.型式评定试验 |
| 7. | Electroacoustics . specifications for personal sound exposure meters
电声学.个人声音暴露计规范 |
| 8. | Electroacoustics . octave - band and fractional - octave - band filters
电声学.倍频带和分倍频带滤波器 |
| 9. | Electroacoustics - octave - band and fractional - octave - band filters
电声学.倍频带和分倍频带滤波器 |
| 10. | Electroacoustics - octave - band and fractional - octave - band filters
电声学.倍频带和分倍频带滤波器 |
