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17:59 Основной органически... 15,886 views 0 0 Details by Administrator 13 years ago in Органика
5:03 Каталитическое окисл... 15,692 views 0 0 Details by Administrator 13 years ago in Органика
4:57 Каталитический креки... 14,273 views 0 0 Details by Administrator 13 years ago in Органика
14:38 Важнейшие продукты н... 15,348 views 0 0 Details by Administrator 13 years ago in Органика
17:46 Цемент 14,870 views 0 0 Details by Administrator 13 years ago in Неметаллы
17:19 Фосфор 10,566 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:48 Углерод 15,108 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:42 Стекло 15,713 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:31 Сера 16,326 views 0 0 Details by Administrator 13 years ago in Неметаллы
10:06 Сера в природе 9,983 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:34 Производство цемента 14,432 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:08 Получение Азота, Амм... 10,368 views 0 0 Details by Administrator 13 years ago in Неметаллы
10:11 Окись углерода 16,282 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:58 Кремний 15,055 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:14 Керамика 14,093 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:11 Известь, её производ... 14,331 views 0 0 Details by Administrator 13 years ago in Неметаллы
9:52 Двуокись углерода 15,693 views 0 0 Details by Administrator 13 years ago in Неметаллы
17:41 Воздух 10,086 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:48 Водород 10,409 views 0 0 Details by Administrator 13 years ago in Неметаллы
16:36 Вода 9,574 views 0 0 Details by Administrator 13 years ago in Неметаллы