 |
| |||
| czas zdatności | |||
| up time: 16 phrases in 10 subjects |
| Analytical chemistry | 2 |
| Chemistry | 1 |
| Electronics | 2 |
| General | 1 |
| Piezoelectric crystals | 1 |
| Reliability | 4 |
| Telegraphy | 1 |
| Telephony | 1 |
| Thermal Energy | 1 |
| Vacuum tubes | 2 |
|
| |||
| czas zdatności | |||
| up time: 16 phrases in 10 subjects |
| Analytical chemistry | 2 |
| Chemistry | 1 |
| Electronics | 2 |
| General | 1 |
| Piezoelectric crystals | 1 |
| Reliability | 4 |
| Telegraphy | 1 |
| Telephony | 1 |
| Thermal Energy | 1 |
| Vacuum tubes | 2 |