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Diphenyl oxide, 二苯醚/500g/CAS:101-84-8
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BG-C195464(球磨口闪式层析柱/内径39.6mm/壁厚3.2mm/长457mm)
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BG-P16011000(抽滤瓶/过滤瓶/上咀/1000mL)
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BG-F321200L(厚壁鸡心磨口烧瓶/200mL/磨口14/20)
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