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jan 1, 1983 - 1.983. Se adopta la definición actual del metro: Distancia recorrida por la luz en el vacío durante 29792458-1 segundos
Added to timeline:
metrologia
By
Jorge guarneros
17 Jul 2020
0
0
431
Date:
jan 1, 1983
Now
~ 41 years ago
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