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NMRT-H5(O型胶圈/适真空核磁管/10个装)
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DZ-BG-磨口试管(外径22mm/有效长度110mm/磨口19/22)
'); document.write('¥35

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BG-A351922(75°蒸馏头/上磨口19/22/下磨口19/22/侧磨口19/22)
'); document.write('¥35.2

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NMRT5A-25(核磁管/薄壁/直径5毫米/25支套装)
'); document.write('¥215.38

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BH-10748(链夹)
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