 |
| |||
| vanne cylindrique | |||
|
цилиндрический затвор : 4 phrases in 3 subjects |
| Construction | 2 |
| Hydraulic engineering | 1 |
| Technology | 1 |
|
| |||
| vanne cylindrique | |||
|
цилиндрический затвор : 4 phrases in 3 subjects |
| Construction | 2 |
| Hydraulic engineering | 1 |
| Technology | 1 |