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
玻璃衬管
2,2'-联吡啶
SCREW-THREAD RETAINING NUT, "TYPE N" SCREW CAP, DISC-RING, O-RING, ST 18.8 BORE 4 MM
对硝基氯苯
Talboys 实验架不锈钢支杆,2438mm
Diamonsil C8(2) 5μm 100 x 4.6mm
不锈钢填充柱,P/W 80/100 PORAPAK N
戊酸甲酯,analytical standard
Screw-caps with aperture, GL 14, PBT, red, aperture bore 9,5 mm
IONIC SURFACTANT ELECTRODE