 |
| |||
| sistema de señalización | |||
| protocolo de señalización | |||
| signalling system: 23 phrases in 6 subjects |
| Coal | 1 |
| Communications | 15 |
| Electricity generation | 1 |
| Electronics | 4 |
| Health care | 1 |
| Information technology | 1 |
|
| |||
| sistema de señalización | |||
| protocolo de señalización | |||
| signalling system: 23 phrases in 6 subjects |
| Coal | 1 |
| Communications | 15 |
| Electricity generation | 1 |
| Electronics | 4 |
| Health care | 1 |
| Information technology | 1 |