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17:59 Основной органически... 13,198 views 0 0 Details by Administrator 11 years ago in Органика
5:03 Каталитическое окисл... 12,711 views 0 0 Details by Administrator 11 years ago in Органика
4:57 Каталитический креки... 11,738 views 0 0 Details by Administrator 11 years ago in Органика
14:38 Важнейшие продукты н... 12,448 views 0 0 Details by Administrator 11 years ago in Органика
17:46 Цемент 11,942 views 0 0 Details by Administrator 11 years ago in Неметаллы
17:19 Фосфор 8,809 views 0 0 Details by Administrator 11 years ago in Неметаллы
19:48 Углерод 12,114 views 0 0 Details by Administrator 11 years ago in Неметаллы
4:42 Стекло 12,644 views 0 0 Details by Administrator 11 years ago in Неметаллы
19:31 Сера 12,117 views 0 0 Details by Administrator 11 years ago in Неметаллы
10:06 Сера в природе 8,346 views 0 0 Details by Administrator 11 years ago in Неметаллы
4:34 Производство цемента 11,757 views 0 0 Details by Administrator 11 years ago in Неметаллы
18:08 Получение Азота, Амм... 8,669 views 0 0 Details by Administrator 11 years ago in Неметаллы
10:11 Окись углерода 13,324 views 0 0 Details by Administrator 11 years ago in Неметаллы
18:58 Кремний 12,251 views 0 0 Details by Administrator 11 years ago in Неметаллы
4:14 Керамика 11,042 views 0 0 Details by Administrator 11 years ago in Неметаллы
19:11 Известь, её производ... 11,594 views 0 0 Details by Administrator 11 years ago in Неметаллы
9:52 Двуокись углерода 12,855 views 0 0 Details by Administrator 11 years ago in Неметаллы
17:41 Воздух 8,340 views 0 0 Details by Administrator 11 years ago in Неметаллы
18:48 Водород 8,794 views 0 0 Details by Administrator 11 years ago in Неметаллы
16:36 Вода 7,848 views 0 0 Details by Administrator 11 years ago in Неметаллы