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1 янв 1939 г. - Rudolf Erren – Erren engine – US patent 2,183,674 – Internal combustion engine using hydrogen as fuel Hans Gaffron discovered that algae can switch between producing oxygen and hydrogen.
Добавлено на ленту времени:
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Hydrogen Tech
Дата:
1 янв 1939 г.
Сейчас
~ 85 г назад