 |
| |||
| direct circuit; direct telegraph circuit | |||
|
circuit direct : 19 phrases in 5 subjects |
| Aviation | 2 |
| Communications | 14 |
| Electronics | 1 |
| Semiconductors | 1 |
| Transport | 1 |
|
| |||
| direct circuit; direct telegraph circuit | |||
|
circuit direct : 19 phrases in 5 subjects |
| Aviation | 2 |
| Communications | 14 |
| Electronics | 1 |
| Semiconductors | 1 |
| Transport | 1 |