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BG-F308250(圆底烧瓶/单颈/250mL/磨口29/42)
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Benzonitrile, 苯甲氰/25g/CAS:100-47-0
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DZ-BG-内置光源光化学反应釜
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BG-P95045-02AK100(样品瓶套装/螺口空心盖含垫/高硼硅/2mL/100支/包)
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