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土霉素
3-甲基-4-硝基吡啶-N-氧化物
SEDIMENTION CONE STAND, PMMA, FOR TWO CONES, DIMENSION 150 x 300 x 294 MM
SIMAX 100ml透明宽口锥形瓶
容量瓶,BLAUBRAND , A级,1000 ml,宽颈,Boro 3.3, NS 29/32 PP瓶塞
CENTRIFUGE TUBES, 50 ML, WITH ROUND BOTTOM, GRADUATED, HEAVY WALL, WITHOUT RIM, DURAN, LENGTH 100
透明40ML EPA 样品瓶 套装
氯磺酰异氰酸酯
CHROMATOGRAPHIC SPRAY BOTTLE
PREC.LOW TEMP.LAB.THERMOMETERS, YELLOW ENAMELLED, DIFFICO-GRAD.ORGANIC LIQUIDS -38+50|C, DIA.6-7