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security system (Alexander Demidov) |
охрана техническими средствами : 23 phrases in 10 subjects |
Construction | 1 |
Ecology | 4 |
General | 6 |
Makarov | 2 |
Medical | 1 |
Military | 1 |
Oil and gas | 1 |
Security systems | 4 |
Technology | 2 |
Weapons of mass destruction | 1 |