 |
| |||
| Schalrohr | |||
| Futterrohr n | |||
| Mantelrohr n | |||
| Bohrrohr m | |||
| |||
| Bohrrohre | |||
|
casing pipe : 7 do fraz, 4 tematyki |
| Budownictwo | 1 |
| Geologia | 1 |
| Technika i technologia | 4 |
| Węgiel | 1 |
|
| |||
| Schalrohr | |||
| Futterrohr n | |||
| Mantelrohr n | |||
| Bohrrohr m | |||
| |||
| Bohrrohre | |||
|
casing pipe : 7 do fraz, 4 tematyki |
| Budownictwo | 1 |
| Geologia | 1 |
| Technika i technologia | 4 |
| Węgiel | 1 |