| | Cole-Parmer 4706 W/9998 筛与NIST可溯源校准报告 | 17 | ¥1727.00 | ¥1727.00 | | ¥1727.00 |  |
| | Cole-Parmer 5030 试验筛 | 6 | ¥671.00 | ¥671.00 | | ¥671.00 |  |
| | Cole-Parmer 5363 W/9998 NIST可溯源校准报告 | 18 | ¥1859.00 | ¥1859.00 | | ¥1859.00 |  |
| | Cole-Parmer 4545 W/9998 筛与NIST可溯源校准报告 | 17 | ¥1727.00 | ¥1727.00 | | ¥1727.00 |  |
| | Cole-Parmer 5366 试验筛 | 7 | ¥781.00 | ¥781.00 | | ¥781.00 |  |
| | ToxiPro 54-45-03V 单一气体检测仪 | 38 | ¥3850.00 | ¥3850.00 | | ¥3850.00 |  |