 |
| |||
| telegrafía con impresión | |||
| télégraphie à impression: 5 phrases in 3 subjects |
| Communications | 3 |
| Electronics | 1 |
| Information technology | 1 |
|
| |||
| telegrafía con impresión | |||
| télégraphie à impression: 5 phrases in 3 subjects |
| Communications | 3 |
| Electronics | 1 |
| Information technology | 1 |