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20 janv. 1936 - В 1936 году ученый С. Брюхоненко самостоятельно разрабатывает оксигенатор.

Ajouté au bande de temps:

гнщшш

17 nov. 2017

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Date:

20 janv. 1936

Maintenaint

~ Il y a 89 ans

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