 |
| |||
| electron tubes | |||
| |||
| electronic valve (GB); electron tube (USA) | |||
| pipe; duct; drain; tube | |||
| electronic tube; electronic valve | |||
| valve | |||
| tubes électroniques: 39 phrases in 9 subjects |
| Antennas and waveguides | 9 |
| Automated equipment | 1 |
| Communications | 4 |
| Earth sciences | 3 |
| Electronics | 16 |
| General | 1 |
| Measuring instruments | 3 |
| Medical appliances | 1 |
| Natural sciences | 1 |