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23 h 50 m, 31 mar 1931 ano - Electron Microscope

Descrição:

Max Knott and Ernst Ruska co-invented it to magnify an image.

Adicionado na linha do tempo:

New timeline

ByMichael O'Brien
14 set 2017

Data:

23 h 50 m, 31 mar 1931 ano
Agora
~ 93 years ago
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