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1 Jan 1940 Jahr - proyector de filminas.

Beschreibung:

Era un recurso de proyección de imagen fija.

Zugefügt zum Band der Zeit:

Marco histórico de la tecnología educativa

ByHermes Martinez Villa

15 Mai 2020

2

0

832

Datum:

1 Jan 1940 Jahr

Jetzt

~ 85 years ago

Abbildungen:

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