 |
| |||
| fraguado rápido del cemento | |||
|
cement quick- setting : 5 do fraz, 3 tematyki |
| Chemia | 3 |
| Pospolicie | 1 |
| Technika i technologia | 1 |
|
| |||
| fraguado rápido del cemento | |||
|
cement quick- setting : 5 do fraz, 3 tematyki |
| Chemia | 3 |
| Pospolicie | 1 |
| Technika i technologia | 1 |