 |
| |||
| de ação direta | |||
|
a action directe : 10 phrases in 6 subjects |
| Communications | 1 |
| Earth sciences | 2 |
| Electronics | 1 |
| Mechanic engineering | 4 |
| Technology | 1 |
| Telegraphy | 1 |
|
| |||
| de ação direta | |||
|
a action directe : 10 phrases in 6 subjects |
| Communications | 1 |
| Earth sciences | 2 |
| Electronics | 1 |
| Mechanic engineering | 4 |
| Technology | 1 |
| Telegraphy | 1 |