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已停产!BT-Z14103-254-1(紫外灯管/254nm/手提式双波长紫外灯B-PUV2用)
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DZ-BG-磨口试管(外径22mm/有效长度110mm/磨口19/22)
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Copper(I) bromide-dimethyl sulfide,溴化亚铜二甲硫醚/50g/CAS:54678-23-8
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BG-D101410(一体式减压蒸馏器/磨口14/20)
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trans-2-Methyl-2-pentenoic acid, 反式-2-甲基-2-戊烯酸/250g/草莓酸/CAS:16957-70-3
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Dimethylchloroacetal, 2-氯乙醛缩二甲醇/500g/CAS:97-97-2
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