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BG-C144250(格式蛇形冷凝器/冷凝管/冷凝部分长250mm,磨口24/40)
'); document.write('¥103.2

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4-Biphenylcarboxylic acid, 4-苯基苯甲酸/25g/CAS:92-92-2
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BG-P3203045(玻璃坩埚/30mL/G4G5)
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