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30 feet*1/8 inch*2.1mm SS column P/W 1% SP-1000 on 60/80 Carbopack B
电热套250ml
气相色谱柱,TRACE TR-WAX 气相柱, 30m, 0.25mmID, 1μm 液膜厚度
Rod stirrer SGJ sleeve for 601403050
PK100 9MM NATL S/T CAP,PTFE/SILICONE SEP
表面湿润张力测试剂NO.30.0
BACTERIOLOGICAL PETRI DISHES, D: 140 MM, MADE OF CLEAR POLYSTYRENE, WITHOUT VENTS, GAMMA-RADIAT, B
HyperSep SCX SPE Column 2g/15mL 20个/包装
硝酸益康唑杂质A
妥布特罗-D9