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11 h 15 min, 23 juill. 1956 ans - BEEPER

Description:

la compañia multitone Electronics inventa el Beeper para el hospital de St. Thomas de londres que su funcion es alertar a los doctores

Ajouté au bande de temps:

dispositivos moviles

ByElias Resendiz
10 févr. 2018

Date:

11 h 15 min, 23 juill. 1956 ans
Maintenaint
~ Il y a 67 ans
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