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4 ore 29 min, 15 dic 1958 anni - IPN

Descrizione:

IPN inició sus transmisiones en circuito cerrado
con clases de matemáticas impartidas por el profesor Vianney Vergara,

Aggiunto al nastro di tempo:

LINEA DEL TIEMPO (MEXICO) TV ALT.

21 nov 2017

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348

Data:

4 ore 29 min, 15 dic 1958 anni

Adesso

~ 66 years ago

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