Council Directive 71/316/EEC of 26 July 1971 on the approximation of the laws of the Member States relating to common provisions for both measuring instruments and methods of metrological control
Direktiva Sveta 71/316/EGS z dne 26. julija 1971 o približevanju zakonodaje držav članic o enotnih določbah za merilne naprave in metode meroslovnega nadzora