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1 janv. 1940 - В.К. Зворыкин построил СЭМ с эффективным детектором электронов и медленным сканированием

Ajouté au bande de temps:

Электронный микроскоп. История

ByВера Черепанова
15 nov. 2017
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Date:

1 janv. 1940
Maintenaint
~ Il y a 85 ans
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