| | Cole-Parmer 6335 W/9998 筛与NIST可溯源校准报告 | 21 | ￥2145.00 | ￥2145.00 | | ￥2145.00 |  |
| | Masterflex® Q2SAN 卫浴系列Q无阀活塞泵头，3/8“直径的活塞，100磅，陶瓷piston/316 SS体/陶瓷内衬 | 60 | ￥6050.00 | ￥6050.00 | | ￥6050.00 | |
| | 赛多利斯sartorius针头滤器16592-K Minisart;0,8µm;28mm | 9 | ￥980.00 | ￥980.00 | | ￥980.00 | |
| | Cole-Parmer 6331 W/9998 筛与NIST可溯源校准报告 | 21 | ￥2145.00 | ￥2145.00 | | ￥2145.00 | |
