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BG-C195463(球磨口闪式层析柱/内径39.6mm/壁厚3.2mm/长305mm)
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DZ-BG-定制溶剂蒸馏头
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BG-L16034-2576(温度计/磨口10/18/煤油/-20℃至250℃/磨口以下76mm)
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BH-10553-500(微量加样筒/500微升/尖头)
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BG-S292942(实心玻璃塞/磨口29/42)
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Diphenyl oxide, 二苯醚/500g/CAS:101-84-8
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