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12 ore 23 min, 1 gen 1931 anni - Р. Руденберг получил патент на просвечивающий электронный микроскоп

Aggiunto al nastro di tempo:

Электронный микроскоп. История

ByВера Черепанова
15 nov 2017
0
0
469

Data:

12 ore 23 min, 1 gen 1931 anni
Adesso
~ 93 years ago
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