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
邻羧基苯甲醛
STOPCOCK KEYS THREADED, HOLLOW, GLASS HANDLE, GROUND, WITH THREE PART RETAIN. DEVICE, BORE 8 MM, NS 24, DURAN
连接件
密封垫 20MM 聚四氟乙烯/橡胶
O-RINGS IN SILICONE RUBBER (VMQ), FOR FOR FLANGE DN 60
实验室用品
双（2-噻吩）酮
20mL螺旋盖试管，16mm*160mm，GL18，PBTP红色耐压盖
结晶四氯化锡
磁力搅拌子B740
