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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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5 дек 1895 г. - 1895 Helium is isolated on Earth for the first time.
Добавлено на ленту времени:
Fritz Haber
By
abby m
19 ноя 2018
0
0
941
Дата:
5 дек 1895 г.
Сейчас
~ 129 г назад
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