关于口罩过滤等级的一些资料2020-02-19 11:12rronzir2020-02-19 11:12KF94是韩国消费品的等级,远低于N95韩国类似N95的叫Korea 1st class,见下图iOS fly ~wwsyx879302020-02-19 11:16微商编的资料吗llakeshore2020-02-19 11:50回复2#wsyx87930https://multimedia.3m.com/mws/me ... ator-classes-tb.pdfllakeshore2020-02-20 12:00Secod, First, Special是KMOEL的定义,来自 Korea Ministryof Labor (KMOL)KF80, KF94, KF99是KFDA的定义,来自Korean Foodand Drug Administration (KFDA)llakeshore2020-02-20 12:04http://www.aaqr.org/files/articl ... A-0201_991-1002.pdfkkeshuyi2020-02-20 07:08回复6#沉默火山请问,哪里看到的通知?