 |
| |||
| junction; trunk | |||
| junction circuit; inter-exchange circuit | |||
| interchange circuit | |||
|
circuits de jonction : 8 a las frases, 3 temas |
| Comunicaciones | 6 |
| Electrónica | 1 |
| Telegrafía | 1 |
|
| |||
| junction; trunk | |||
| junction circuit; inter-exchange circuit | |||
| interchange circuit | |||
|
circuits de jonction : 8 a las frases, 3 temas |
| Comunicaciones | 6 |
| Electrónica | 1 |
| Telegrafía | 1 |