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.