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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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31 dic 1759 año - Jean Rodolphe Perronet hace estudios de tiempos para la fabricación de alfileres comunes
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eventos mas importantes de la ingeniería
By
Luis Eduardo
11 oct 2018
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fecha:
31 dic 1759 año
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~ 265 years ago
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