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PALL 針筒過濾器 親水性PVDF
Syringe Filter, PVDF
ISOLAB 茶色量瓶 A級
Flask ,Volumetric,Class A,Amber
ISOLAB 自動滴定管 AS級附迴流 PTFE活栓
Buret , Automatic Zero, with NS -PTFE-Plug, PTFE Stopcock ,Schellbach