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Micro syringe, 25 μl, series N, with removable needle type A
四碘化钛
磷酸氢二钠,无水 AR
质谱配件(SCREW CSK M2X4 ST STL)
LiChroCART 125-3,LiChroprep RP-18 15-25μm定制柱
THERMOMETER F.FLASKS A.STILL HEADS, CONE ST 14/23,-10+250°C:1, 95 MM
昆虫针
防护眼镜
异辛烷中有机氯农药混合溶液标准物质
D-GLUCOSE (1,2-13C2, 99%) 标准品