BS PD CLC/TS 50677:2022
家用和类似用途洗衣机和洗衣干衣机 通过测量纺织材料中表面活性剂含量来测定漂洗效果的方法
Clothes washing machines and washer-dryers for household and similar use. Method for the determination of rinsing effectiveness by measurement of the surfactant content at textile materials