| |||
| condition de commutation | |||
|
switching condition : 3 phrases in 3 subjects |
| Automated equipment | 1 |
| Communications | 1 |
| Transport | 1 |
| |||
| condition de commutation | |||
|
switching condition : 3 phrases in 3 subjects |
| Automated equipment | 1 |
| Communications | 1 |
| Transport | 1 |