EN ISO 20349-2:2017/A1:2020 个人防护设备.铸造厂和焊接中的防护鞋.第2部分:焊接和相关工艺中的防护要求和试验方法 包含修改件A1,2020
Personal protective equipment - Footwear protecting against risks in foundries and welding - Part 2: Requirements and test methods for protection against risks in welding and allied processes - Amendment 1 (ISO 20349-2:2017/Amd 1:2020)