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4 gen 1910 anni - С.В.Лебедев получил первый образец синтетического бутадиенового каучука.

Aggiunto al nastro di tempo:

Великие открытия в ХХ веке.

13 giu 2017

2

0

4448

Data:

4 gen 1910 anni

Adesso

~ 115 years ago

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