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общедоступный источник информации | |||
открытый источник (информации Alexander Matytsin) |
public source : 10 phrases in 7 subjects |
Advertising | 1 |
Computer networks | 1 |
Firefighting and fire-control systems | 2 |
General | 2 |
Law | 1 |
Programming | 2 |
Water supply | 1 |