EU council directive 80/181/EEC - - units of measurement Council Directive 80/181/EEC of 20 December 1979 on the approximation of the laws of the Member States relating to units of measurement and on the repeal of Directive 71/354/EEC Linkhttps://eur-lex.europa.eu/legal-content/EN/TXT/?uri=uriserv%3AOJ.L_.1980.039.01… Category Europe law standard units measurement
