DIN EN ISO 16890-1:2017-08 一般通风用空气过滤器 - 第 1 部分:基于颗粒物效率 (ePM) 的技术规格、要求和分类系统 (ISO 16890-1:2016)
Air filters for general ventilation - Part 1: Technical specifications, requirements and classification system based upon particulate matter efficiency (ePM) (ISO 16890-1:2016); German version EN ISO 16890-1:2016