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| fire alarm signal system | |||
| fire alarm system (Elina Semykina) | |||
| система противопожарной сигнализации: 5 phrases in 4 subjects |
| Construction | 1 |
| Firefighting and fire-control systems | 2 |
| General | 1 |
| Oil and gas | 1 |
|
| |||
| fire alarm signal system | |||
| fire alarm system (Elina Semykina) | |||
| система противопожарной сигнализации: 5 phrases in 4 subjects |
| Construction | 1 |
| Firefighting and fire-control systems | 2 |
| General | 1 |
| Oil and gas | 1 |