| lab 混合纤维素圆片过滤膜孔径:0.45(um), 直径:37(mm),(200片/盒) | 1 | ¥169.72 | ¥169.72 | | ¥169.72 |  |
| Seepex MD00F0BM005DEM05AC 化学螺杆泵,高密度聚乙烯(HDPE)和钛建设,交流IVD VFD,360 psi最大压力,0.05 - 3.4 GPH | 502 | ¥50250.00 | ¥50250.00 | | ¥50250.00 |  |
| Advantec 第5B号无灰定量滤纸 | 10 | ¥1050.00 | ¥1050.00 | | ¥1050.00 |  |
| Advantec 第5B号无灰定量滤纸 | 4 | ¥435.00 | ¥435.00 | | ¥435.00 |  |