Fire-fighting equipment for fire-fighting and rescue service vehicles – Part 17: Appliance set for protection against falling from heights
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/2007

Fire-fighting equipment for fire-fighting and rescue service vehicles – Part 17: Appliance set for protection against falling from heights
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/2015