ISO 20349-2:2017 个人防护装备 - 防止铸造厂和焊接中的风险的鞋类 - 第2部分:焊接和相关工艺中的风险防护要求和试验方法
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