Draft Document - Personal protective equipment - Knee protectors for work in the kneeling position - Part 2: Requirements for wearable knee protectors (type 1); German and English version prEN 14404-2:2019
文件草案.个人防护设备.跪式工作用护膝.第2部分:可穿戴护膝(1型)的要求;德语和英语版本prEN 14404-2:2019