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LiChroCART 125-3,LiChroprep 60 Si 25-40μm定制柱
FOIL-WELDING APPARATUS,IN PLASTIC HOUSING,GRACEFUL DESING,WELDING BREADTH 330 MM, 220 V, 220 W
2-氯-N,N-二甲基乙酰胺
Safety pipette filler Howarka ball, 20 ml, ultrasafe laboratory aid for universal use, specially designdopening for immediate sealing effect on all standard tube diameters, no unnecessar
气相色谱仪检定用标准物质（苯-甲苯溶液）
Superspher?100 RP-18 endcapped
螺口试剂瓶，棕色，500 ml，螺口规格32
电缆
SPHERICAL JOINTS, BALL, INCHES SIZE, KS 35/25, DURAN
SPE小柱
