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
1,2,4-苯三酚
烧杯刷250ml
DG Safety Waste Cap GL45, PBT, PTFE
2,6-二溴-4-甲基苯胺
Suppl. Rinsing/Aspirating for 869
植物油基质中苯并[a]芘质控样
p-Phenoxybenzoic Acid
JAPAN-PK30 CARBOXEN 1000 220MG 0.5ML &
磁力搅拌子,PTFE,65 x20 mm,卵形
NOVAPAK 硅胶柱