 |
|
coffret : 83 phrases in 22 subjects |
| Antennas and waveguides | 1 |
| Cables and cable production | 2 |
| Chemistry | 1 |
| Coal | 3 |
| Communications | 2 |
| Earth sciences | 1 |
| Electronics | 5 |
| Energy industry | 1 |
| Finances | 1 |
| General | 23 |
| Hobbies and pastimes | 1 |
| Industry | 3 |
| Labor law | 4 |
| Law | 5 |
| Mechanic engineering | 12 |
| Medical appliances | 3 |
| Metallurgy | 1 |
| Patents | 1 |
| Telecommunications | 1 |
| Telegraphy | 2 |
| Textile industry | 2 |
| Transport | 8 |