| 1. | Lightning protection - telecommunication lines - fibre optic installations
避雷装置.电信线路.光纤装置 |
| 2. | Lightning protection - telecommunication lines - lines using metallic conductors
避雷装置.电信线路.金属导线 |
| 3. | The tolerable limits of danger on telecommunication lines from power lines
电信线路遭受强电线路危险影响的容许值 |
| 4. | Audio telecommunication line
声频电信线路 |
| 5. | Lightning protection - telecommunication lines - part 1 : fibre optic installations
避雷装置.电信线路.第1部分:光纤安装 |
| 6. | Lightining protection - telecommunication lines - part 1 : fibre optic installations
雷电防护.电信线路.第1部分:光纤设备 |
| 7. | Lightning protection - telecommunication lines - part 2 : lines using metallic conductors
避雷装置.电信线路.第2部分:金属导线 |
| 8. | Lightning protection - telecommunication lines - part 2 : lines using metallic conductors
雷击防护.电信线路.第2部分:使用金属导体的线路 |
| 9. | Specification for calculation of noise disturbance effects of ac electrified railways on telecommunication lines
交流电气化铁道对电信线路杂音干扰影响的计算规程 |
| 10. | Specification for calculation of noise disturbance effects of ac electrification railways on telecommunication lines
交流电气化铁道对电信线路杂音干扰影响的计算规程 |
