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1-(氯-1-吡咯烷基亚甲基)吡咯烷鎓六氟磷酸盐
TARGET 注射器 可拆卸针头 聚四氟乙烯 针尖
PIPETTE CONTAINER, HDPE, 100 X 420 MM, ? I. 83 MM, FOR DUST-FREE STORAGE OF PIPETTES UP TO 400 M
SINTERED DISCS, 90 MM DIAM. P 3
GDX-102担体(20-40目)
6-硝基苯并[a]芘 标准品
β-苯乙醇
硝酸纤维素膜,0.8um
全氟辛酸 标准品
CONTRACT THERMOMETER, ADJUSTABLE WITH TURNING MAGNET, ADJUSTING AND READING SCALE, YELLOW ENAMELLE