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2-(4-庚基苯氧基)-5-壬基嘧啶
2-(4-氟苯基)噻吩
GRIFFIN BEAKERS,TRANSPARENT, ETFE, WITH SPOUT ISO 7056 BS 5404 AUTOCLAVABLE 50:5 ML; 60 MM X 40MM
4-丁基苯甲酸-4-氰基苯酯
PCB 137(2,2’,3,4,4’,5-六氯联苯) 标准品
碱式乙酸铅
ELECTR.CABLE 2 PLUGS B 2M
FRACTIONATING COLUMNS, ACC. TO HEMPEL, W. GLASS JACKET, CONE ST 29/32, SOCKET ST 29/32, EFFECTIVE L
真空泵