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BH-20111-254-900P(紫外灯管/30W/254nm/900mm/飞利浦)
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BG-C184805C(砂板闪式层析柱/内径73mm/壁厚3.5mm/长610mm)
'); document.write('¥360

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DZ-IP-PTFE-2(界面聚合装置/聚四氟/橡胶)
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BH-20110-254(紫外灯管/飞利浦/8W/254nm)
'); document.write('¥59.9

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BG-F309500(圆底烧瓶/单颈/500mL/磨口19/22)
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