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2000ml 聚丙烯窄口塑料瓶,GL32
Chemical Ionization Gas Purifier
环氧环己烷
1,3-二氯苯 标准品
SPHERICAL JOINTS, CUP, INCHES SIZE, KS 40/25, DURAN
气进样针
FRACTIONATING COLUMNS ACC.TO VIGREUX.PRECISO WITH GLASS JACKET CONE ST 29/32 EFF.LENGTH 100 MM
1,6-二溴芘
MORTAR, AGATE, WITH PESTLE, O.D. 125 MM, I.D. 105 MM, OCTAGONAL SHAPE, 100 ML, THICK WALL
DKZ-1C低温振荡水槽