| | Cole-Parmer 300 pH值/ ORP /温度1/8-DIN的变送器 | 21 | ￥2145.00 | ￥2145.00 | | ￥2145.00 |  |
| | Whatman Roby 25针头式滤器10463801 ROBY 25/ GF92 200/PK 8TBS，直径：25mm，孔径：1.0um | 44 | ￥4461.00 | ￥4461.00 | | ￥4461.00 | |
| | 英国whatman 10539918，2043A MGL 系列滤纸，60MMx333M IMPGNTD W | 0 | ￥0.00 | ￥0.00 | | ￥0.00 | |
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