Rescue systems – Dimensions for maintain systems for fastening of undercarriage and stretcher in ambulances
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/2009

Rescue systems – Dimensions for maintain systems for fastening of undercarriage and stretcher in ambulances
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/2016