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研磨用氧化铝粉,1kg
10.0-100ul WITOPET premium单通道可调量程移液器
DROPPING PIPETTES (EYE DROPPERS) MADE OF GLASS, W. RUBBER TEAT, 80 X 7/8 MM
PUNYW7205475 Gefitinib Impurity IV HCl
填充柱 2%OV-17 on Chromosorb WAW DMCS 80/100
7.5%氯化钠肉汤培养基(2015药典)
扑灭津标准品
GAS COLLECTION CULTURE FERMENTATION TUBE, LENGTH: 29 MM, O.D. 8 MM
PUNYW8926570 Salbutamol Impurity 13
气相色谱柱,TRACE TR-1 气相柱, 15m, 0.25mmID, 0.25μm 液膜厚度