Other liquid filtration or purification machines and apparatus made of fluoropolymer filter or purge membranes not exceeding 140 microns in thickness 用氟聚合物制造的厚度不超过140微米的过滤膜或净化膜的其他液体过滤或净化机器及装置,
Liquid closure filtration equipment (which can continuously separate pathogenic microorganisms, toxins and cell culture) 液体截流过滤设备(可连续分离致病性微生物、毒素和细胞培养物),
