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2,3-二氟苯胺
Graduated beaker, 250ml, ?: 82mm, height: 96mm, graduated inside, glazed, except outside base, porcelain
LiChroCART 25-4,LiChrosorb 60 Si 7μm定制柱
磁力搅拌子,PTFE材质,108x27 mm,圆柱形
CLSR 24-400 LND 白色100/包装
Affinity呼吸器(面罩),规格:M/L
Hexagon Key 2.5mm
有机样品瓶架
4mm 0.2um Nylon 100个/包装
(德国KNF) W微型隔膜采样泵