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1 mayo 1923 año - Mayo 1924 El doctor Walter A. Shewart de la Western Electric Corporation, E.U.A., describía el método en que se basaban las llamadas cartas de control
Añadido al timeline:
Metrología
By
Erick Piña
12 ene 2018
0
0
1622
fecha:
1 mayo 1923 año
Ahora mismo
~ 102 years ago
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