標題: ASTM F 2299-2003 用乳膠球測定用于被微粒滲透醫(yī)療面罩的材... [打印本頁] 作者: 兌水 時間: 2009-12-8 10:20 標題: ASTM F 2299-2003 用乳膠球測定用于被微粒滲透醫(yī)療面罩的材... F2299-03 Standard Test Method for Determining the Initial Efficiency of Materials Used in Medical Face Masks to Penetration by Particulates Using Latex Spheres