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23 h 50 min, 31 mars 1931 ans - Electron Microscope
Description:
Max Knott and Ernst Ruska co-invented it to magnify an image.
Ajouté au bande de temps:
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By
Michael O'Brien
14 sept. 2017
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584
Date:
23 h 50 min, 31 mars 1931 ans
Maintenaint
~ Il y a 94 ans
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