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9 marzo 1933 anni - 1933 - Helmut Ruska inventa el microscopio electrónico.

Aggiunto al nastro di tempo:

Microbiología

Byroberto del real
19 set 2018
0
0
1311

Data:

9 marzo 1933 anni
Adesso
~ 92 years ago

Immagini:

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