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17:59 Основной органически... 15,705 views 0 0 Details by Administrator 13 years ago in Органика
5:03 Каталитическое окисл... 15,524 views 0 0 Details by Administrator 13 years ago in Органика
4:57 Каталитический креки... 14,105 views 0 0 Details by Administrator 13 years ago in Органика
14:38 Важнейшие продукты н... 15,179 views 0 0 Details by Administrator 13 years ago in Органика
17:46 Цемент 14,649 views 0 0 Details by Administrator 13 years ago in Неметаллы
17:19 Фосфор 10,440 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:48 Углерод 14,887 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:42 Стекло 15,501 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:31 Сера 15,860 views 0 0 Details by Administrator 13 years ago in Неметаллы
10:06 Сера в природе 9,852 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:34 Производство цемента 14,227 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:08 Получение Азота, Амм... 10,254 views 0 0 Details by Administrator 13 years ago in Неметаллы
10:11 Окись углерода 16,060 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:58 Кремний 14,833 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:14 Керамика 13,866 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:11 Известь, её производ... 14,141 views 0 0 Details by Administrator 13 years ago in Неметаллы
9:52 Двуокись углерода 15,481 views 0 0 Details by Administrator 13 years ago in Неметаллы
17:41 Воздух 9,951 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:48 Водород 10,294 views 0 0 Details by Administrator 13 years ago in Неметаллы
16:36 Вода 9,444 views 0 0 Details by Administrator 13 years ago in Неметаллы