Walking aids manipulated by one arm - Requirements and test methods - Part 4: Walking sticks with three or more legs; German version EN ISO 11334-4:1999— 18 стр.
Walking aids manipulated by both arms - Requirements and test methods - Part 2: Rollators (ISO 11199-2:1999); German version EN ISO 11199-2:1999— 13 стр.
Walking aids manipulated by both arms - Requirements and test methods - Part 1: Walking frames (ISO 11199-1:1999); German version EN ISO 11199-1:1999— 13 стр.