 |
| |||
| corrosion coupon | |||
| образец коррозии: 8 phrases in 5 subjects |
| Firefighting and fire-control systems | 1 |
| Oil and gas technology | 1 |
| Polymers | 1 |
| Sakhalin | 1 |
| Technology | 4 |
|
| |||
| corrosion coupon | |||
| образец коррозии: 8 phrases in 5 subjects |
| Firefighting and fire-control systems | 1 |
| Oil and gas technology | 1 |
| Polymers | 1 |
| Sakhalin | 1 |
| Technology | 4 |