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气相填料 Carbophase 80-100mesh
Titan 2 HPLC 滤器 TRAN 橙色
对氯苯乙酰腈
DOUBLE SPIRAL DISTILLING CONDENSER FOR MODELL "ECONOMY" WITH FCH-V 45/40
Magnetic stirring-bar, PTFE, polygon, 6 x 15 mm
22mL 棕色样品瓶套装,含20-400瓶盖
MEASURING CYLINDERS WITH HEXAGONAL BASE WITHOUT GRADUATION, 1000 ML, DURAN
PE配件,100/包
其他
间羟基苯甲醛