DIN EN ISO 11199-1:2020 双臂操纵的步行辅助产品 要求和测试方法 第1部分:助行架(ISO/DIS 11199-1:2020)
Assistive products for walking, manipulated by both arms - Requirements and test methods - Part 1: Walking frames (ISO/DIS 11199-1:2020); German and English version prEN ISO 11199-1:2020