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AHB-U09G-2(史莱克管加热模块/干浴/硬质/均9孔/半球形孔底/高40mm/外径128mm/孔径22.3mmx9)
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BH-10298-14/20(烧瓶塞/14/20,100个)
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Propiolic acid, 丙炔酸/25g/CAS:471-25-0
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