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十字夹
乙酸龙脑酯,分析标准品,GC≥97%
o-(Trifluoromethyl)phenyl Isocyanate
WITOPED XP FOR PIPETTES 0,1 TO 100 ML, COMPLETE WITH 4 FILTERS AND RECHARGER, 220 V
Tub Teflon 3ft & P-100
α-环己基扁桃酸甲酯
InertSustain AQ-C18 液相柱
TEFLON PISTON W.BAY 5 *
气进样针
搪瓷托盘(两开纸大小)