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BG-C195323C(球磨口砂板闪式层析柱/内径26.4mm/壁厚2.8mm/长305mm)
'); document.write('¥140

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4-Methylphenylhydrazine hydrochloride, 4-甲基苯肼盐酸盐/250g/CAS:637-60-5
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BG-P161402L(振荡瓶/4扰流/2000mL)
'); document.write('¥123.6

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Tetramethylguanidine, 四甲基胍/25ml/CAS:80-70-6
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