|
spark-gap : 13 phrases in 7 subjects |
| Antennas and waveguides | 1 |
| Automated equipment | 1 |
| Communications | 1 |
| Electronics | 7 |
| Measuring instruments | 1 |
| Mechanic engineering | 1 |
| Technology | 1 |
|
spark-gap : 13 phrases in 7 subjects |
| Antennas and waveguides | 1 |
| Automated equipment | 1 |
| Communications | 1 |
| Electronics | 7 |
| Measuring instruments | 1 |
| Mechanic engineering | 1 |
| Technology | 1 |