Quantum redactiones paginae "Mensura metrica" differant

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'''Systema Metricum''' (quod etiam systema MKSA, a metro kilogrammate secundo amperio, appellabatur) est antecessor [[Systema Internationale|Systematis Internationalis]], viguitque ab anno [[1793]]<ref>
[http://www.bipm.org/en/si/ Bureau International des Poids et Mesures].</ref> usque ad annum fere [[1960]].