KS K ISO 20349-2-2022 个人防护设备.铸造和焊接过程中防护风险的鞋类.第2部分:焊接和相关工艺中防护风险要求和试验方法
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