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氰酸钠
耐有机溶剂手套
HBI致泻大肠埃希氏菌生化鉴定条
5A分子筛(40-60目)
THREE PART RETAINING DEVICE, COMPLETE, FOR STOPCOCK KEYS, THREADED, HOLLOW, FOR NS 21,5, GL 14
聚丙烯针筒型(Luer Lock)硅胶(注射柱)前处理柱L型(33g/70ml)
COVER, MADE OF QUARTZ, D. 40 MM
1/4"不锈钢管(15米/卷)
氯甲酸-4-硝基苄酯
SEPARATORY FUNNELS, SQUIPP, 100 ML, W.PE-STOPPER GRADUATED, ST 19/26, SOLID ST-STOPCOCK, BORE: 2.