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4-Bromoaniline, 4-溴苯胺/25g/CAS:106-40-1'); document.write('¥80
BG-C141120(格式蛇形冷凝器/冷凝管/冷凝部分长120mm,磨口14/20)'); document.write('¥83.2
BG-C184603(闪式层析柱/内径53mm/壁厚3.5mm/长305mm)'); document.write('¥180.8