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BT-13907-2(旋转蒸发仪转换头/亚荣/RE-52A/磨口24/29)
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BT-P80001-2(手工冲子/圆冲/直径2mm)
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Ethyl 4-oxocyclohexanecarboxylate, 对环己酮甲酸乙酯/100g/CAS:17159-79-4
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1,3-Dichloro-1,1,3,3-Tetraisopropyldisiloxane, 1,3-二氯-1,1,3,3-四异丙基二硅氧烷/1g/CAS:69304-37-6
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MMCRYST-G(晶体系列分子模型套装/大号)
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DZ-BG-螺纹口支咀反应管/Φ16
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