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26 magg 1940 anni - Retroproyector

Descrizione:

Este proyector era mas sencillo de manipular y mas eficaz para las clases.

Aggiunto al nastro di tempo:

Evolución tecnologica en las aulas

ByDayana Díaz López

1 nov 2018

0

0

548

Data:

26 magg 1940 anni

Adesso

~ 85 years ago

Immagini:

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