Council Directive 89/173/EEC of 21 December 1988 on the approximation of the laws of the Member States relating to certain components and characteristics of wheeled agricultural or forestry tractors
Direktiva Sveta 89/173/EGS z dne 21. decembra 1988 o približevanju zakonodaje držav članic v zvezi z nekaterimi sestavnimi deli in značilnostmi kmetijskih in gozdarskih traktorjev na kolesih