 |
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| emergency lighting source (Yeldar Azanbayev) | |||
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источник аварийного освещения : 3 phrases in 2 subjects |
| Electronics | 1 |
| Firefighting and fire-control systems | 2 |
|
| |||
| emergency lighting source (Yeldar Azanbayev) | |||
|
источник аварийного освещения : 3 phrases in 2 subjects |
| Electronics | 1 |
| Firefighting and fire-control systems | 2 |