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15 dic 1958 anni - Matemáticas

Descrizione:

El 15 de diciembre de 1958 el IPN inició sus transmisiones en circuito cerrado con clases de matemáticas impartidas por el profesor Vianney Vergar

Aggiunto al nastro di tempo:

Melany Contreras

12 nov 2018

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520

Data:

15 dic 1958 anni

Adesso

~ 66 years ago

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