20/05/2010 – Today is celebrated the “World Metrology Day“, to commemorate the signing of the “Metre Convention”, on 20 May 1875 in Paris, by 17 governments including Spain.
WORLD METROLOGY DAY
20/05/2010 – Today is celebrated the “World Metrology Day“, to commemorate the signing of the “Metre Convention”, on 20 May 1875 in Paris, by 17 governments including Spain.