 |
| |||
| central wedge; wedge in the center | |||
| central cam | |||
| центральный клин: 2 do fraz, 2 tematyki |
| Ropa / ropa naftowa | 1 |
| Technologia ropy i gazu | 1 |
|
| |||
| central wedge; wedge in the center | |||
| central cam | |||
| центральный клин: 2 do fraz, 2 tematyki |
| Ropa / ropa naftowa | 1 |
| Technologia ropy i gazu | 1 |