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Benzyl chloride, 苄基氯/500G/CAS:100-44-7
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BG-P20050(普通漏斗/直径50mm)
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BG-F321410L(厚壁鸡心磨口烧瓶/10mL/磨口14/20)
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BT-P80001-21(手工冲子/圆冲/直径21mm)
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BH-10755(蝴蝶夹/固定酸碱滴定管/改良塑料)
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