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17:59 Основной органически... 16,127 views 0 0 Details by Administrator 13 years ago in Органика
5:03 Каталитическое окисл... 15,963 views 0 0 Details by Administrator 13 years ago in Органика
4:57 Каталитический креки... 14,513 views 0 0 Details by Administrator 13 years ago in Органика
14:38 Важнейшие продукты н... 15,644 views 0 0 Details by Administrator 13 years ago in Органика
17:46 Цемент 15,143 views 0 0 Details by Administrator 13 years ago in Неметаллы
17:19 Фосфор 10,730 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:48 Углерод 15,377 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:42 Стекло 16,011 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:31 Сера 16,689 views 0 0 Details by Administrator 13 years ago in Неметаллы
10:06 Сера в природе 10,204 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:34 Производство цемента 14,664 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:08 Получение Азота, Амм... 10,563 views 0 0 Details by Administrator 13 years ago in Неметаллы
10:11 Окись углерода 16,552 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:58 Кремний 15,303 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:14 Керамика 14,350 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:11 Известь, её производ... 14,597 views 0 0 Details by Administrator 13 years ago in Неметаллы
9:52 Двуокись углерода 15,978 views 0 0 Details by Administrator 13 years ago in Неметаллы
17:41 Воздух 10,288 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:48 Водород 10,589 views 0 0 Details by Administrator 13 years ago in Неметаллы
16:36 Вода 9,780 views 0 0 Details by Administrator 13 years ago in Неметаллы