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1 janv. 1904 - valvula de vacio

Description:

componente electronico para amplificar conmutar o modificar una señal electronica

Ajouté au bande de temps:

linea de el tiempop

il y a 1 jrs

0

0

26

Date:

1 janv. 1904

Maintenaint

~ Il y a 121 ans

Les images:

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