| Whatman NC45硝酸纤维膜10401121 NC45 0.45uM 100MM 50/PK,尺寸:100mm 孔径0.45um | 21 | ¥2160.00 | ¥2160.00 | | ¥2160.00 | |
| Whatman Grade 597定性滤纸10311853 Grade 597 FF 320MM 100/PK | 9 | ¥965.00 | ¥965.00 | | ¥965.00 | |
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