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BG-C264175(高效蛇形回流冷凝器/冷凝管/夹层长175mm/磨口24/40/高325mm)'); document.write('¥150.4
BH-10291-8-5(PU管/外径8mm/内径5mm/米)'); document.write('¥9.6
Togni Reagent II(CAS:887144-94-7/1g)'); document.write('¥230
BH-20114-XE-500-1(氙灯/长弧/500W/单端出线)'); document.write('¥640
BG-F301405(圆底烧瓶/单颈/5mL/磨口14/20)'); document.write('¥15.2
BT-Z12091-10(电化学螺口瓶/10ml)'); document.write('¥56