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1 Jan 1983 Jahr - 1.983. Se adopta la definición actual del metro: Distancia recorrida por la luz en el vacío durante 29792458-1 segundos
Zugefügt zum Band der Zeit:
metrologia
By
Jorge guarneros
17 Jul 2020
0
0
684
Datum:
1 Jan 1983 Jahr
Jetzt
~ 42 years ago
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