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PTFE聚四氟乙烯/橡胶 密封垫 20mm 用于顶空 1000个/包装
镁试剂Ⅰ
Nucleosil C8柱
DURAN? Volumetric flask, amber coloured, white graduation, class A, individual certificate, with one graduation mark, polyethylene stopper, NS 12/21,
LABORATORY TOWELS ZETBOX
Rack for 10 petri dishes of dia. 60-100 mm x 16 mm height, suitable for all anerobic jars 2 540 000/100/200, aluminium
麦氏比浊管配套管
Inspire C8 10μm 100g
NALGENE 180公制胶管,内径x外径x壁厚,7.0 x 10.0 x 1.5 mm,每箱米数25
Keck Quick-disconnect adapter color white, for Tubing cou