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1 Jan 1898 Jahr - James Dewar liquefied hydrogen by using regenerative cooling and his invention, the vacuum flask at the Royal Institution of Great Britain in London.
Zugefügt zum Band der Zeit:
Hydrogen Tech
By
Yehuda
2 Sep 2017
0
0
1422
Datum:
1 Jan 1898 Jahr
Jetzt
~ 127 years ago
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