如果企业客服不在线,也可拨打400电话联系。或者发布求购信息
3,5-二溴苯甲醛
定氮烧瓶(凯氏)
SUPELCOSIL LC-18色谱柱
CONTRAST-CLIP, BLACK AND WHITE 6.0 X 36 MM, FOR TUBE-DIAMETER 6.1 - 7.5 MM
P.E. 顶空 样品瓶 20 ML
p-Chlorobenzoylacetonitrile
万通配件
NOT LONGER AVAILABLE !
DROPPING PIPETTES (EYE DROPPERS) MADE OF GLASS, W.RUBBER TEAT, 80 X 7/8 MM
二苯基对甲苯基膦