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commande électrique | |||
protocole de signalisation; système de signalisation |
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 |