ISO 20349-1-2017/Amd 1-2020 个人防护设备.在铸造厂和焊接厂防护风险的鞋靴.第1部分:铸造厂防护风险的要求和试验方法.修改件1
Personal protective equipment — Footwear protecting against risks in foundries and welding — Part 1: Requirements and test methods for protection against risks in foundries — Amendment 1