 |
| |||
| pax address (MichaelBurov); passenger address (MichaelBurov); pax address system (MichaelBurov); passenger address system (MichaelBurov) | |||
| система радиооповещения: 10 phrases in 5 subjects |
| Aviation | 5 |
| Energy industry | 1 |
| Information security and data protection | 1 |
| Military | 2 |
| Radio | 1 |