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czołowy : 19 phrases in 11 subjects |
| Antennas and waveguides | 2 |
| Communications | 2 |
| Electric motors | 2 |
| Electric traction | 3 |
| Medical | 1 |
| Microsoft | 1 |
| Municipal planning | 1 |
| Power system protection | 1 |
| Telegraphy | 1 |
| Transport | 4 |
| Vacuum tubes | 1 |
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