| 英国Whatman3017-621,Grade 17 Chr系列层析纸,2.5CMx30M | 5 | ¥539.00 | ¥539.00 | | ¥539.00 |  |
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| Cole-Parmer 115V 旋涡混合器 | 22 | ¥2255.00 | ¥2255.00 | | ¥2255.00 |  |
| Cole-Parmer 5198 W/9998 NIST可溯源校准报告 | 18 | ¥1859.00 | ¥1859.00 | | ¥1859.00 |  |