 |
| |||
| gas tube | |||
| gas-filled valve | |||
| gas arc lamp; tubing lamp | |||
| gas-tube | |||
| gasfilled lamp | |||
| gas lamp; gas-filled lamp; gas-filled tube | |||
| газонаполненная лампа: 13 phrases in 9 subjects |
| Antennas and waveguides | 1 |
| Automated equipment | 1 |
| Electrical engineering | 1 |
| Electronics | 2 |
| General | 1 |
| Metrology | 2 |
| Nautical | 2 |
| Shipbuilding | 1 |
| Technology | 2 |