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| коды URC (oleg.vigodsky) | |||
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| Общество Красного Креста Уганды (Uganda Red Cross Society Дюнан) | |||
| English thesaurus | |||
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| Uzbek Red Crescent Society (Узбекское общество Красного Полумесяца vanross) | |||
| universal robot control system | |||
| unified rock classification system | |||
| Uniform Railroad Cost System | |||
