| |||
| diode; electrovacuum | |||
|
електровакуумний : 4 phrases in 3 subjects |
| Economics | 1 |
| Lighting other than cinema | 1 |
| Microelectronics | 2 |
| |||
| diode; electrovacuum | |||
|
електровакуумний : 4 phrases in 3 subjects |
| Economics | 1 |
| Lighting other than cinema | 1 |
| Microelectronics | 2 |