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25 дек 2010 г. - успешно синтезировали 117-й элемент таблицы Менделеева
Добавлено на ленту времени:
развитие науки
By
Илона Балани
23 дек 2017
0
0
551
Дата:
25 дек 2010 г.
Сейчас
~ 14 г назад
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