 |
| |||
| Normalfrequenz f | |||
| Eichfrequenz f | |||
|
calibration frequency : 9 do fraz, 4 tematyki |
| Elektronika | 4 |
| Optyka | 1 |
| Technika i technologia | 3 |
| Transport | 1 |
|
| |||
| Normalfrequenz f | |||
| Eichfrequenz f | |||
|
calibration frequency : 9 do fraz, 4 tematyki |
| Elektronika | 4 |
| Optyka | 1 |
| Technika i technologia | 3 |
| Transport | 1 |