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delta-Valerolactone, delta-戊内酯/50g/CAS:542-28-9
'); document.write('¥550

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BG-V164050(磨口冷阱/磨口40/50/外径45/磨口以下长度250mm)
'); document.write('¥147.2

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BH-10450(磁力搅拌子/磁子/B-250)
'); document.write('¥8.72

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BH-10460(磁力搅拌子/磁子/A-100)
'); document.write('¥5.44

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2,2,6-Trimethyl-4H-1,3-dioxin-4-one, 2,2,6-三甲基-4H-1,3-二英-4-酮/500mL/CAS:5394-63-8
'); document.write('¥1130

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BH-10446(磁力搅拌子/磁子/C-100)
'); document.write('¥6.28

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