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100 ng/μl 1,3-Dinitropyrene in Toluene标准品
Collar plastic Delrin for 111 N-EVAP center tube top
副溶血性弧菌成套生化鉴定管(HRGB)
3-羟基金刚烷-1-羧酸
盐酸金刚乙胺
3-氯-4-氟苯甲醚
Magnetic stirring-bar, PTFE, spinplus, 25 x 25 mm
铬酸锶, 95%
Flat bottom flask,narrow neck 1000ml,beaded rim
DROPPING BOTTLES, WITH DROPPER AND TEAT, WITH SCREW THREAD GL 18, AMBER GLASS, CAP. 20 ML