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Proyector de acetatos. (jan 5, 1930 – mar 24, 1930)
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Para proyectar imágenes y textos.
Added to timeline:
Línea de tiempo interactiva de la tecnología educativa.
By
Luis Hernandez
27 Aug 2017
0
0
2144
Date:
jan 5, 1930
mar 24, 1930
~ 2 months and 18 days
Images:
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