 |
| ondulation: 57 phrases in 17 subjects |
| Chemistry | 5 |
| Communications | 6 |
| Earth sciences | 3 |
| Electric motors | 1 |
| Electric traction | 2 |
| Electronics | 13 |
| Industry | 5 |
| Magnetics | 2 |
| Mathematics | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 8 |
| Patents | 2 |
| Physical sciences | 1 |
| Piezoelectric crystals | 2 |
| Power electronics | 1 |
| Sound recording | 3 |
| Transport | 1 |