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Luna RC18(2)-HST色谱柱
5-溴吲哚-3-甲醛
Dishes Watch Glass 50mm
FUNNEL, ST-CONE 19/26, ANGLE 60°C, PRECISO, WITHOUT STOPCOCK, ONE SIDE FLAT, DIA. 80 MM
FREEZE DRYING AMPOULES, W.MARKING AREA 1 ML, 10 X 155 MM
trans-2-Pentene
7种金属混标(砷,钡,铬,铅,锑,硒)
PTFE/硅橡胶隔垫
MULTIVAP系列 9位防腐型干浴氮吹仪
PTFE-KEYS WITH THREAD, BORE 2 MM, NS 13.5, TAPER 1:5 AND THREE PART RETAINING DEVICE