 |
| |||
| interchange circuit | |||
| junction; trunk | |||
| junction circuit; inter-exchange circuit | |||
|
circuits de jonction : 8 do fraz, 3 tematyki |
| Elektronika | 1 |
| Komunikacja | 6 |
| Telegrafia | 1 |
|
| |||
| interchange circuit | |||
| junction; trunk | |||
| junction circuit; inter-exchange circuit | |||
|
circuits de jonction : 8 do fraz, 3 tematyki |
| Elektronika | 1 |
| Komunikacja | 6 |
| Telegrafia | 1 |