 |
| |||
| Wolframreinmetallkathode f; Wolframkathode f | |||
| Wolframkatode f | |||
| вольфрамовый катод: 8 phrases in 4 subjects |
| Chemistry | 3 |
| Electronics | 3 |
| Optics branch of physics | 1 |
| Radio | 1 |
|
| |||
| Wolframreinmetallkathode f; Wolframkathode f | |||
| Wolframkatode f | |||
| вольфрамовый катод: 8 phrases in 4 subjects |
| Chemistry | 3 |
| Electronics | 3 |
| Optics branch of physics | 1 |
| Radio | 1 |