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1 janv. 1889 - Prototipo del Kilogramo Internacional (1889): Se creó un prototipo internacional del kilogramo como unidad de masa.
Ajouté au bande de temps:
linea del tiempo intrumentos de medicion
By
Luis Beltran
18 mai 2024
0
0
99
Date:
1 janv. 1889
Maintenaint
~ Il y a 136 ans
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