| 1. | Specifications for integrating - averaging sound level meters
集成平均声级测量仪规范 |
| 2. | Electroacoustics - sound level meters - specifications
电声学.声级计.规范 |
| 3. | Calibration specification for electronic level meter
电子水平尺校准规范 |
| 4. | Verification regulation of high frequency standard level meter
高频标准零电平表检定规程 |
| 5. | Electroacoustics - sound level meters - part 1 : specifications
电声学.声级计.第1部分:规范 |
| 6. | Electroacoustics - sound level meters - part 1 : specifications
电声学.声级计.第1部分:规范 |
| 7. | Electroacoustics - sound level meters - pattern evaluation tests
电声学.声级计.型式评定试验 |
| 8. | Verification regulation of selective level meter
选频电平表检定规程 |
| 9. | Verification regulation of gamma ray level meter
射线料位计检定规程 |
| 10. | Sound system equipment ; part 10 : peak programme level meters
音响系统设备.第10部分:峰值音量电平表 |
