 |
| |||
| Mantelrohr n; Sperrrohr n (Brunnenbau); Futterrohr n | |||
| lining pipe: 5 phrases in 3 subjects |
| Construction | 3 |
| Industry | 1 |
| Metallurgy | 1 |
|
| |||
| Mantelrohr n; Sperrrohr n (Brunnenbau); Futterrohr n | |||
| lining pipe: 5 phrases in 3 subjects |
| Construction | 3 |
| Industry | 1 |
| Metallurgy | 1 |