| |||
| l'évolution scientifique et technique | |||
|
scientific and technical developments : 4 phrases in 4 subjects |
| Economics | 1 |
| General | 1 |
| Name of organization | 1 |
| Research and development | 1 |
| |||
| l'évolution scientifique et technique | |||
|
scientific and technical developments : 4 phrases in 4 subjects |
| Economics | 1 |
| General | 1 |
| Name of organization | 1 |
| Research and development | 1 |