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1 gen 1983 anni - 1.983. Se adopta la definición actual del metro: Distancia recorrida por la luz en el vacío durante 29792458-1 segundos

Aggiunto al nastro di tempo:

metrologia

ByJorge guarneros
17 lug 2020
0
0
548

Data:

1 gen 1983 anni
Adesso
~ 42 years ago
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