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17:59 Основной органически... 16,294 views 0 0 Details by Administrator 14 years ago in Органика
5:03 Каталитическое окисл... 16,148 views 0 0 Details by Administrator 14 years ago in Органика
4:57 Каталитический креки... 14,692 views 0 0 Details by Administrator 14 years ago in Органика
14:38 Важнейшие продукты н... 15,817 views 0 0 Details by Administrator 14 years ago in Органика
17:46 Цемент 15,356 views 0 0 Details by Administrator 14 years ago in Неметаллы
17:19 Фосфор 10,858 views 0 0 Details by Administrator 14 years ago in Неметаллы
19:48 Углерод 15,594 views 0 0 Details by Administrator 14 years ago in Неметаллы
4:42 Стекло 16,231 views 0 0 Details by Administrator 14 years ago in Неметаллы
19:31 Сера 16,904 views 0 0 Details by Administrator 14 years ago in Неметаллы
10:06 Сера в природе 10,333 views 0 0 Details by Administrator 14 years ago in Неметаллы
4:34 Производство цемента 14,870 views 0 0 Details by Administrator 14 years ago in Неметаллы
18:08 Получение Азота, Амм... 10,695 views 0 0 Details by Administrator 14 years ago in Неметаллы
10:11 Окись углерода 16,750 views 0 0 Details by Administrator 14 years ago in Неметаллы
18:58 Кремний 15,521 views 0 0 Details by Administrator 14 years ago in Неметаллы
4:14 Керамика 14,544 views 0 0 Details by Administrator 14 years ago in Неметаллы
19:11 Известь, её производ... 14,789 views 0 0 Details by Administrator 14 years ago in Неметаллы
9:52 Двуокись углерода 16,185 views 0 0 Details by Administrator 14 years ago in Неметаллы
17:41 Воздух 10,437 views 0 0 Details by Administrator 14 years ago in Неметаллы
18:48 Водород 10,702 views 0 0 Details by Administrator 14 years ago in Неметаллы
16:36 Вода 9,925 views 0 0 Details by Administrator 14 years ago in Неметаллы