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feb 4, 1899 - В 1899 году Ипатьев защитил диссертации «Алленовые углеводороды"
Added to timeline:
ипатьев
By
Гюнюш Багирова
14 Jun 2017
0
0
1405
Date:
feb 4, 1899
Now
~ 126 years ago
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