| | Whatman ME25/21 混合纤维素酯膜10406809 ME25/21 37MM 100/PK，尺寸：37MM 孔径0.45um | 0 | ￥0.00 | ￥0.00 | | ￥0.00 |  |
| | Masterflex 07540-06 L / S定速驱动器，每分钟6转，115伏交流 | 26 | ￥2670.00 | ￥2670.00 | | ￥2670.00 | |
| | Whatman BA83硝酸纤维膜10401394 BA83 130x480MM 50/PK，尺寸： 130x480MM 孔径0.2um | 0 | ￥0.00 | ￥0.00 | | ￥0.00 | |
