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17:59 Основной органически... 16,337 views 0 0 Details by Administrator 13 years ago in Органика
5:03 Каталитическое окисл... 16,208 views 0 0 Details by Administrator 13 years ago in Органика
4:57 Каталитический креки... 14,744 views 0 0 Details by Administrator 13 years ago in Органика
14:38 Важнейшие продукты н... 15,885 views 0 0 Details by Administrator 13 years ago in Органика
17:46 Цемент 15,383 views 0 0 Details by Administrator 13 years ago in Неметаллы
17:19 Фосфор 10,894 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:48 Углерод 15,644 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:42 Стекло 16,282 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:31 Сера 17,004 views 0 0 Details by Administrator 13 years ago in Неметаллы
10:06 Сера в природе 10,364 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:34 Производство цемента 14,904 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:08 Получение Азота, Амм... 10,721 views 0 0 Details by Administrator 13 years ago in Неметаллы
10:11 Окись углерода 16,777 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:58 Кремний 15,564 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:14 Керамика 14,604 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:11 Известь, её производ... 14,809 views 0 0 Details by Administrator 13 years ago in Неметаллы
9:52 Двуокись углерода 16,217 views 0 0 Details by Administrator 13 years ago in Неметаллы
17:41 Воздух 10,467 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:48 Водород 10,745 views 0 0 Details by Administrator 13 years ago in Неметаллы
16:36 Вода 9,953 views 0 0 Details by Administrator 13 years ago in Неметаллы