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17:59 Основной органически... 15,509 views 0 0 Details by Administrator 13 years ago in Органика
5:03 Каталитическое окисл... 15,296 views 0 0 Details by Administrator 13 years ago in Органика
4:57 Каталитический креки... 13,902 views 0 0 Details by Administrator 13 years ago in Органика
14:38 Важнейшие продукты н... 14,956 views 0 0 Details by Administrator 13 years ago in Органика
17:46 Цемент 14,412 views 0 0 Details by Administrator 13 years ago in Неметаллы
17:19 Фосфор 10,291 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:48 Углерод 14,651 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:42 Стекло 15,281 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:31 Сера 15,334 views 0 0 Details by Administrator 13 years ago in Неметаллы
10:06 Сера в природе 9,730 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:34 Производство цемента 14,016 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:08 Получение Азота, Амм... 10,139 views 0 0 Details by Administrator 13 years ago in Неметаллы
10:11 Окись углерода 15,812 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:58 Кремний 14,629 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:14 Керамика 13,612 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:11 Известь, её производ... 13,954 views 0 0 Details by Administrator 13 years ago in Неметаллы
9:52 Двуокись углерода 15,269 views 0 0 Details by Administrator 13 years ago in Неметаллы
17:41 Воздух 9,795 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:48 Водород 10,169 views 0 0 Details by Administrator 13 years ago in Неметаллы
16:36 Вода 9,287 views 0 0 Details by Administrator 13 years ago in Неметаллы