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4 h 29 m, 15 dez 1958 ano - IPN

Descrição:

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

Adicionado na linha do tempo:

LINEA DEL TIEMPO (MEXICO) TV ALT.

21 nov 2017

0

0

348

Data:

4 h 29 m, 15 dez 1958 ano

Agora

~ 66 years ago

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