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
不锈钢填充柱 HP6890 FID OCI P/W 45/60 MOL SIEVE 5A
LIDS FLAT FLANGE, DN 120, WITH CENTER NECK KF 50, 2 ANGLED SIDE NECKS 15° KF 25, 1 STRAIGHT PARALLEL SIDE NECK KF 15, BOROSILICATE GLASS
棕褐色 PTFE/硅胶隔垫
β-D-葡聚糖 来源于大麦