 |
| |||
| 指示器报警显示系统; 信号发送传输系统 | |||
| 发信号系统 | |||
| 信令系统; 信号系统 | |||
| signalling system: 23 phrases in 9 subjects |
| Air defense | 1 |
| Automobiles | 2 |
| Business | 1 |
| Electricity generation | 2 |
| Electronics | 1 |
| General | 1 |
| Metallurgy | 1 |
| Space | 1 |
| Technology | 13 |
|
| |||
| 指示器报警显示系统; 信号发送传输系统 | |||
| 发信号系统 | |||
| 信令系统; 信号系统 | |||
| signalling system: 23 phrases in 9 subjects |
| Air defense | 1 |
| Automobiles | 2 |
| Business | 1 |
| Electricity generation | 2 |
| Electronics | 1 |
| General | 1 |
| Metallurgy | 1 |
| Space | 1 |
| Technology | 13 |