EVOLUCIÓN HISTÓRICA DE LA CALIDAD

Events

1 January 1440
1 January 1450 - 1 January 1760
Approx. 1 January 1760 - Approx. 1 January 1840
1 January 1924
1 January 1946 - 1 January 1947
1 January 1951 - 1 January 1962
1 January 1969 - 1 January 1970
1 January 1987
1 January 1987 - 1 January 2010