 |
| |||
| propping; stiffening; strutting | |||
| pit-propping; shuttering; support | |||
| |||
| bracing mines | |||
|
Abstuetzung : 16 do fraz, 5 tematyki |
| Budownictwo | 1 |
| Inżynieria mechaniczna | 6 |
| Pospolicie | 5 |
| Technika i technologia | 1 |
| Transport | 3 |
|
| |||
| propping; stiffening; strutting | |||
| pit-propping; shuttering; support | |||
| |||
| bracing mines | |||
|
Abstuetzung : 16 do fraz, 5 tematyki |
| Budownictwo | 1 |
| Inżynieria mechaniczna | 6 |
| Pospolicie | 5 |
| Technika i technologia | 1 |
| Transport | 3 |