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17:59 Основной органически... 15,279 views 0 0 Details by Administrator 13 years ago in Органика
5:03 Каталитическое окисл... 15,035 views 0 0 Details by Administrator 13 years ago in Органика
4:57 Каталитический креки... 13,692 views 0 0 Details by Administrator 13 years ago in Органика
14:38 Важнейшие продукты н... 14,747 views 0 0 Details by Administrator 13 years ago in Органика
17:46 Цемент 14,121 views 0 0 Details by Administrator 13 years ago in Неметаллы
17:19 Фосфор 10,135 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:48 Углерод 14,361 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:42 Стекло 14,992 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:31 Сера 14,986 views 0 0 Details by Administrator 13 years ago in Неметаллы
10:06 Сера в природе 9,583 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:34 Производство цемента 13,794 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:08 Получение Азота, Амм... 9,992 views 0 0 Details by Administrator 13 years ago in Неметаллы
10:11 Окись углерода 15,526 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:58 Кремний 14,366 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:14 Керамика 13,320 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:11 Известь, её производ... 13,692 views 0 0 Details by Administrator 13 years ago in Неметаллы
9:52 Двуокись углерода 15,008 views 0 0 Details by Administrator 13 years ago in Неметаллы
17:41 Воздух 9,593 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:48 Водород 10,030 views 0 0 Details by Administrator 13 years ago in Неметаллы
16:36 Вода 9,115 views 0 0 Details by Administrator 13 years ago in Неметаллы