 |
|
stripping column : 13 do fraz, 9 tematyki |
| Chemia | 1 |
| Ekologia | 2 |
| Karaczaganak | 1 |
| Makarowa | 1 |
| Ropa / ropa naftowa | 4 |
| Sachalin | 1 |
| Sachalin r | 1 |
| Technika i technologia | 1 |
| Tengiz | 1 |
|
|
stripping column : 13 do fraz, 9 tematyki |
| Chemia | 1 |
| Ekologia | 2 |
| Karaczaganak | 1 |
| Makarowa | 1 |
| Ropa / ropa naftowa | 4 |
| Sachalin | 1 |
| Sachalin r | 1 |
| Technika i technologia | 1 |
| Tengiz | 1 |