| |||
| switching system | |||
|
sistema de conmutacion : 104 phrases in 4 subjects |
| Communications | 33 |
| Electronics | 65 |
| General | 1 |
| Information technology | 5 |
| |||
| switching system | |||
|
sistema de conmutacion : 104 phrases in 4 subjects |
| Communications | 33 |
| Electronics | 65 |
| General | 1 |
| Information technology | 5 |