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NMRT53B(核磁管/厚壁/变径/5毫米转3mm)
'); document.write('¥30.77

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BG-P14040-03(点样毛细管/0.3mm/长度100mm/1000支)
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BG-F461050(溶剂储存球瓶/50mL/磨口14/20/高真空阀0-4mm)
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