| |||
| обращение спектральной линии | |||
|
spectral-line reversal : 4 phrases in 4 subjects |
| Firefighting and fire-control systems | 1 |
| Makarov | 1 |
| Metrology | 1 |
| Physics | 1 |
| |||
| обращение спектральной линии | |||
|
spectral-line reversal : 4 phrases in 4 subjects |
| Firefighting and fire-control systems | 1 |
| Makarov | 1 |
| Metrology | 1 |
| Physics | 1 |