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Pyridinium chlorochromate, 氯铬酸吡碇盐/25g/CAS:26299-14-9
'); document.write('¥100

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BT-19909-1.3.3(混匀仪配件/大龙/VT1.3.3)
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BT-19909-1.2(混匀仪配件/大龙/VT1.2)
'); document.write('¥480

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Trimethylsilyl trifluoromethanesulfonate, 三氟甲磺酸三甲基硅酯/5g/CAS:27607-77-8
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BT-13903(除静电器/思帝克ST101)
'); document.write('¥480

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