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BH-20204(笔式数字温度表/TP101/-50至+300摄氏度)
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Bromopentafluorobenzene, 溴五氟苯/25g/CAS:344-04-7
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BG-F214190-1(直四口瓶/100mL/主24/40/侧19/22/前14/20)
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