7141-104WHATMAN混合纤维素滤膜无菌带垫片0.45um孔径7141-104
面议7141-104WHATMAN混合纤维素滤膜无菌带垫片0.45um孔径7141-104
面议7408-004WHATMAN沃特曼一级代理尼龙Nylon膜0.8um孔径7408-004
面议7402-001 7402-009WHATMAN尼龙Nylon膜0.2um孔径7402-004 7402-002 7402-009
面议7404-001 7404-009WHATMAN尼龙Nylon膜0.45um孔径7404-004 7404-002 7404-009
面议10406870WHATMAN 0.45um微生物检测膜片ME25/21ST白底黑格无菌10406870
面议10401614WHATMAN ME25混合纤维素滤膜0.45um孔径50mm直径10401614
面议10400914WHATMAN 0.8um混合纤维素过滤膜50mm直径10400914
面议10401612WHATMAN混合纤维素滤膜0.45um孔径47mm直径10401612
面议10400912WHATMAN 0.8um混合纤维素过滤膜47mm直径10400912
面议7141-114WHATMAN 0.45um混合纤维素白底黑格无菌滤膜47mm 7141-114
面议7193-004WHATMAN 3um硝酸纤维素膜NC膜47mm直径7193-004
面议7184-004WHATMAN 0.2um硝酸纤维素膜NC膜47mm直径7182-004
面议