2007ISO 1726:2000/cor 1:2007 Road vehicles - Mechanical coupling between tractors and semi-trailers - Interchangeability; Technical Corrigendum 1
2000ISO 1726:2000 Road vehicles - Mechanical coupling between tractors and semi-trailers - Interchangeability between tractors and semi-trailers for general cargo
1989ISO 1726:1989 Road vehicles — Mechanical coupling between tractors and semi-trailers — Interchangeability
1973ISO 1726:1973 Road vehicles — Mechanical coupling between tractors and semi-trailers — Interchangeability