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jan 1, 1938 - М. фон Арденне построил сканирующий просвечивающий электронный микроскоп
Added to timeline:
Электронный микроскоп. История
By
Вера Черепанова
15 Nov 2017
0
0
463
Date:
jan 1, 1938
Now
~ 86 years ago
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