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VITLAB 100ml 聚丙烯容量瓶,聚丙烯材质顶塞,B级证书,含校准证书
Thermo Scientific Nalgene 4000-0250 Class B polypropylene volumetric flask, 250 mL
Pyrex 5660-50 Brand 5660 Lifetime Red Volumetric Flask; 50 mL, case of 12
Pyrex 5660-2L Brand 5660 Lifetime Red Volumetric Flask; 2000 mL, pack of 1
50mL,容量瓶,USP级,透明,3.3玻璃,误差±0.05mL,ST 12/21,玻璃顶塞,棕标,含证书
20ml A级 棕色玻璃容量瓶,PE材质顶塞,白标
VOLUMETRIC FLASKS, 100 ML, DIN-A, AMBER, WITH ST-HOLLOW GLASS STOPPERS, ST 14/23, CONFORMITY CERTI
VITLAB 100ml A级聚甲基戊烯具塞容量瓶,A级证书,含校准证书
Pyrex 5660-500 Brand 5660 Lifetime Red Volumetric Flask; 500 mL, pack of 6
ST 34/35 空心透明玻璃塞