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31 dez 1929 ano - Se producen los primero magnetos alnico.

Descrição:

El científico alemán Hermann Kemper, estudia el uso de campos magnéticos en combinación con trenes y aeroplanos.

Adicionado na linha do tempo:

Electricidad y magnetismo

ByAmérica Romero
21 ago 2019
0
0
555

Data:

31 dez 1929 ano
Agora
~ 95 years ago

Imagens:

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