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31 Dez 1929 Jahr - Se producen los primero magnetos alnico.

Beschreibung:

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

Zugefügt zum Band der Zeit:

Electricidad y magnetismo

ByAmérica Romero
21 Aug 2019
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0
555

Datum:

31 Dez 1929 Jahr
Jetzt
~ 95 years ago

Abbildungen:

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