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1 янв 1820 г. - W. Cecil wrote a letter "On the application of hydrogen gas to produce a moving power in machinery"
Добавлено на ленту времени:
Hydrogen Tech
By
Yehuda
2 сен 2017
0
0
1422
Дата:
1 янв 1820 г.
Сейчас
~ 205 г назад
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