 |
| |||
| dispositif de protection; relais de protection | |||
| protection device: 47 phrases in 12 subjects |
| Coal | 1 |
| Construction | 3 |
| Electric traction | 1 |
| Electronics | 3 |
| General | 12 |
| Information technology | 6 |
| Labor law | 2 |
| Mechanic engineering | 1 |
| Medical | 1 |
| Medical appliances | 2 |
| Nuclear physics | 6 |
| Transport | 9 |