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1 gen 1939 anni - 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.
Aggiunto al nastro di tempo:
2 set 2017
0
0
1070
Hydrogen Tech
Data:
1 gen 1939 anni
Adesso
~ 85 years ago