 |
| |||
| building to be protected (ssn) | |||
| защищаемое сооружение: 4 phrases in 2 subjects |
| Electrochemistry | 1 |
| Firefighting and fire-control systems | 3 |
|
| |||
| building to be protected (ssn) | |||
| защищаемое сооружение: 4 phrases in 2 subjects |
| Electrochemistry | 1 |
| Firefighting and fire-control systems | 3 |