| Cole-Parmer 5370 W/9998 筛与NIST可溯源校准报告 | 18 | ¥1859.00 | ¥1859.00 | | ¥1859.00 |  |
| Cole-Parmer 5195 W/9998 筛NIST可溯源校准报告 | 18 | ¥1859.00 | ¥1859.00 | | ¥1859.00 |  |
| FLITZ METAL POLISH 906GM CAN | 18 | ¥1848.72 | ¥1848.72 | | ¥1848.72 |  |
| Whatman ME24/21混合纤维素酯膜10408714 ME24/21 STL 0.2uM 50MM 400/PK,尺寸:50MM 孔径0.2um | 27 | ¥2710.00 | ¥2710.00 | | ¥2710.00 |  |