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| 英国Whatman 110413 NucleporeTM径迹蚀刻膜,13mm直径,5.0um粒径 | 3 | ¥374.00 | ¥374.00 | | ¥374.00 | |
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| Cole-Parmer P14/6-N013-88G 浮子流量计 | 17 | ¥1727.00 | ¥1727.00 | | ¥1727.00 | |