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
(易制毒三类)甲苯AR(沪试)
其他
PTFE/硅橡胶隔垫,用于24-400瓶口
锥虫蓝
21种半挥发物质混标 标准品
ASTM SPECIFIC-GRAVITY-HYDROMETER FOR OFFICIALLY TESTING ASTM NO. 132H, L. 260 MM SCALE 1.350-1.40
ERLENMEYER-FLASKS, 3000 ML, ACC. TO DIN 12387, ST 29/32
MCP/BVP MF1/2 Quick-Load mounting plate without pumphead
30x1mm 5um Hypersil GOLD Silica
通气阀,PC材质,带止回阀