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| |||
| commande électrique | |||
| protocole de signalisation; système de signalisation | |||
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signalling system : 31 phrases in 8 subjects |
| Communications | 16 |
| Electricity generation | 1 |
| Electronics | 4 |
| General | 2 |
| Health care | 1 |
| Information technology | 4 |
| Mechanic engineering | 2 |
| Transport | 1 |