Delivery: 3 seconds (Download full-editable-PDF + Invoice). Quotation: Click YY/T 0691-2008>>Add to cart>>Quote Editable-PDF Preview (Reload if blank, scroll for next page)
See Chinese contents: YY/T 0691-2008 YY/T 0691-2008: Clothing for protection against infectious agents. Medical face masks. Test method for resistance against penetration by synthetic blood (fixed volume, horizontally projected)
