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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 janv. 1983 - 1.983. Se adopta la definición actual del metro: Distancia recorrida por la luz en el vacío durante 29792458-1 segundos
Ajouté au bande de temps:
metrologia
By
Jorge guarneros
17 juil. 2020
0
0
684
Date:
1 janv. 1983
Maintenaint
~ Il y a 42 ans
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