 |
| |||
| ιθμός κενού | |||
| φίλτρο κενού | |||
| vacuum filter: 6 phrases in 4 subjects |
| Chemistry | 2 |
| Electronics | 1 |
| Environment | 2 |
| Mechanic engineering | 1 |
|
| |||
| ιθμός κενού | |||
| φίλτρο κενού | |||
| vacuum filter: 6 phrases in 4 subjects |
| Chemistry | 2 |
| Electronics | 1 |
| Environment | 2 |
| Mechanic engineering | 1 |