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| fire and gas detection, alarm and suppression system (Alexander Demidov) | |||
| система пожарной сигнализации, контроля загазованности и пожаротушения: 3 phrases in 2 subjects |
| Firefighting and fire-control systems | 1 |
| General | 2 |
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| |||
| fire and gas detection, alarm and suppression system (Alexander Demidov) | |||
| система пожарной сигнализации, контроля загазованности и пожаротушения: 3 phrases in 2 subjects |
| Firefighting and fire-control systems | 1 |
| General | 2 |