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加热板 for bath 111, 140(3.8 x 6.0in )
DB-624 气相毛细管色谱柱
SAFETY WASHING BOTTLES, 250 ML, PE, W. SAFETY DELIVERY JET, YELLOW, 'METHYLETHYLKETON'
防水型温湿度计
吡咯-3-羧酸
Filter flask, DURAN, with lateral nozzle,250 ml - only for export -
烧杯,低型,50 ml,有刻度
野百合碱
样品瓶 12X29 透明 外壳 2ML
固相萃取