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LiChroCART 55-3,LiChrospher 100 RP-18 12μm定制柱
O-RINGS IN SILICONE RUBBER (VMQ), FOR FLANGE DN 200
(一恒) SX2-12-10N箱式电阻炉(耐火砖炉膛)炉膛尺寸W×P×H(mm):300×500×200
PREC.ADJ.THERMOMETERS/BECKMANN,ST 19/26 F.BOILING-POINT METHODE,OFFICIALLY TEST- ING,MERCURY FIL
TARGET注射器手动 可拆卸
Suba-Seal septa red rubber, Suba Seal, 9
标样所 土壤 PH
FLASKS, FLAT BOTTOM, LONG NECK, MADE OF QUARTZ-SILICA, WITH BEADED RIM, DIN 12370, 50 ML, 51 X 85
(易制毒三类)SiliaBond? Potassium PermanganateL 45OPCOCK AND SCREW CAP,SILICONE GASKET NS-STOPPER00 ML, DURAN
福美双,双硫胺甲酰 10ug/ml溶于环己烷 标准品