 |
| |||
| ameliorating factor | |||
| facteur d' amélioration: 7 phrases in 6 subjects |
| Communications | 2 |
| Earth sciences | 1 |
| Electric traction | 1 |
| Electronics | 1 |
| Medical appliances | 1 |
| Radio | 1 |
|
| |||
| ameliorating factor | |||
| facteur d' amélioration: 7 phrases in 6 subjects |
| Communications | 2 |
| Earth sciences | 1 |
| Electric traction | 1 |
| Electronics | 1 |
| Medical appliances | 1 |
| Radio | 1 |