KS F 2811-2021 建筑材料和建筑結(jié)構(gòu)部件的磨損試驗方法（地板材料磨損試驗方法 旋轉(zhuǎn)盤摩擦沖擊法）
Method of abrasion test for building materials and part of building construction (Method of abrasion test for flooring materials method with rotating disk fitted friction and impact)