 |
| |||
| switching telephone exchange; central office | |||
| switching centre | |||
| centro de conmutación: 52 phrases in 7 subjects |
| Agriculture | 1 |
| Communications | 33 |
| Electronics | 12 |
| General | 1 |
| Information technology | 3 |
| Radio | 1 |
| Telegraphy | 1 |
|
| |||
| switching telephone exchange; central office | |||
| switching centre | |||
| centro de conmutación: 52 phrases in 7 subjects |
| Agriculture | 1 |
| Communications | 33 |
| Electronics | 12 |
| General | 1 |
| Information technology | 3 |
| Radio | 1 |
| Telegraphy | 1 |