NSF/ANSI 42:2020被替代
Drinking Water Treatment Units - Aesthetic Effects
出版：
专家解读视频
基本信息
标准编号： NSF/ANSI 42:2020
标准类别：Standard
出版单位：
标准页数：0
标准简介
The point-of-use (POU) and point-of-entry (POE) systems addressed by this Standard are designed to be used for the reduction of specific substances that may be present in drinking water (public or private) considered to be microbiologically safe and of known quality.
替代本标准的新标准
