ISO 7641
Road vehicles - Trailers up to 3,5 t - Calculation of the mechanical strength of steel drawbars
Strßenfahrzeuge - Anhänger bis 3.5 t - Berechnung der mechanischen Festigkeit von Stahldeichseln
Responsible national committee
NA 052-00-35 AA - General vehicle aspects, spare parts and connection elements
Responsible international committee
ISO/TC 22/SC 40 - Specific aspects for light and heavy commercial vehicles, busses and trailers