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2’-脱氧尿苷
PK24 VALVE STEMS FOR VISIPREP/PREPPY &
气相色谱柱，TG-WAXMS 60m x 0.25mm x 0.25μm
奥硝唑纯度标准物质
FUNNELS,CONSTANT ADD.,CYL. GRAD.,W.PRESSURE EQUAL.TUBE, HEATING + COOLING JACKET PTFE DOSING VALV
客户定制亚硝胺12组分混标（符合GB/T 24153）
FLASKS, WITH 2 SIDE NECKS AT AN ANGLE OF 20°, (DESTILLATIONS FLASKS) CENTER NECK/SIDE NECK: NS 45
SEPARATORY FUNNEL, 1000 ML, CONICAL, UNGRAD., BORO. GLASS, SOLID ST-STOPCOCK PLUG, BORE: 6.3 MM,
PK4 4L AMBER GLASS BOTTLE,POLYPROPYLENE&
吩嗪硫酸甲酯
