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Trichloroethanol, 2,2,2-三氯乙醇/100g/CAS:115-20-8
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BG-F474250A(分液漏斗/四氟节门/250mL/磨口24/40/顶端玻璃塞)
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BH-10313-18(定性滤纸/中速/直径18/100片)
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