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1 янв 1898 г. - James Dewar liquefied hydrogen by using regenerative cooling and his invention, the vacuum flask at the Royal Institution of Great Britain in London.
Добавлено на ленту времени:
Hydrogen Tech
By
Yehuda
2 сен 2017
0
0
1422
Дата:
1 янв 1898 г.
Сейчас
~ 127 г назад
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