Radio Communication
| Technology Division
| radio communication | |
| astr. | radio communication |
| commun. | liaison radioélectrique; radiocommunication |
| radio communications | |
| commun. transp. | communications radio |
| Technology Division | |
| gen. | Division de la technique |
|
Radio Communication : 40 phrases in 7 subjects |
| Aviation | 3 |
| Communications | 28 |
| Electronics | 2 |
| Fish farming pisciculture | 1 |
| General | 2 |
| Patents | 2 |
| Transport | 2 |