DIN EN ISO 20471-2017 高能见度服饰.试验方法和要求(ISO 20471-2013, 修正版本2013-06-01+Amd 1-2016);德文版本EN ISO 20471-2013+A1:2016
High visibility clothing - Test methods and requirements (ISO 20471:2013, Corrected version 2013-06-01 + Amd 1:2016); German version EN ISO 20471:2013 + A1:2016