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| dispositif de protection; relais de protection | |||
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Protection Device : 43 phrases in 12 subjects |
| Coal | 1 |
| Construction | 3 |
| Electric traction | 1 |
| Electronics | 3 |
| General | 8 |
| Information technology | 6 |
| Labor law | 2 |
| Mechanic engineering | 1 |
| Medical | 1 |
| Medical appliances | 2 |
| Nuclear physics | 6 |
| Transport | 9 |