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IPN (15 Dez 1957 Jahr – 21 März 1958 Jahr)

Beschreibung:

Transmisiones en circuito cerrado
con clases de matemáticas impartidas por el profesor Vianney Vergara,

Zugefügt zum Band der Zeit:

Experiencias y Desarrollo de la Radiotelevisión de Servicio Público en América Latina: México

ByNicole Jo
13 Nov 2017
0
0
446

Datum:

15 Dez 1957 Jahr
21 März 1958 Jahr
~ 3 months and 6 days
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