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18 Sept 1947 Jahr - 1947

Beschreibung:

se inventa el transitor en los laboratorios bell de estados unidos

Zugefügt zum Band der Zeit:

LINEA DEL TIEMPO DE MIRTHA GUERRERO

ByMirthag Guerrero

18 Sep 2017

1

0

791

Datum:

18 Sept 1947 Jahr

Jetzt

~ 78 years ago

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