Council Directive 71/320/EEC of 26 July 1971 on the approximation of the laws of the Member States relating to the braking devices of certain categories of motor vehicles and of their trailers
Direktiva Sveta 71/320/EGS z dne 26. julija 1971 o približevanju zakonodaje držav članic o zavornih napravah določenih kategorij motornih in priklopnih vozil