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aeronautical | radionavigation service
| radionavigation service | |
| commun. transp. | służba radionawigacyjna |
| aeronautical: 49 phrases in 11 subjects |
| Communications | 19 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 1 |
| General | 1 |
| Information technology | 2 |
| Life sciences | 1 |
| Lighting other than cinema | 1 |
| Radio | 4 |
| Satellite communications | 1 |
| Transport | 17 |