 |
| |||
| harte Röhre; Hochvakuumröhre f | |||
| tube dur: 3 phrases in 3 subjects |
| Environment | 1 |
| Medical appliances | 1 |
| Радиоактивное излучение | 1 |
|
| |||
| harte Röhre; Hochvakuumröhre f | |||
| tube dur: 3 phrases in 3 subjects |
| Environment | 1 |
| Medical appliances | 1 |
| Радиоактивное излучение | 1 |