| I-Chem 329-1000-RWD 1L 波士顿圆形透明玻璃瓶,已认证 I-Chem 1L Boston Round Clear Glass Bottle Certified | 4 | ¥443.00 | ¥443.00 | | ¥443.00 |  |
| ADVANTEC 13毫米直径0.20微米 混合纤维素酯膜 | 7 | ¥770.00 | ¥770.00 | | ¥770.00 |  |
| KNF Neuberger Pump Liquid Transfer Diaphragm NF1.300TT18S | 141 | ¥14190.70 | ¥14190.70 | | ¥14190.70 |  |