KS K ISO 22609-2018 Clothing for protection against infectious agents — Medical face masks — Test method for resistance against penetration by synthetic blood(fixed volume, horizontally projected)
1970KS K ISO 22609:2018 Clothing for protection against infectious agents-Medical face masks-Test method for resistance against penetration by synthetic blood(fixed volume, horizontally projected)
2012KS K ISO 22609:2012 Clothing for protection against infectious agents-Medical face masks-Test method for resistance against penetration by synthetic blood(fixed volume, horizontally projected)