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BG-F584250(溶剂储存瓶(Schlenk)/250mL/高真空节门0-4mm/外径60mm/长度185mm)'); document.write('¥128.8
DZ-BG-一体式玻璃冷阱'); document.write('¥117
BT-12909-N2(减压器/氮气/YQD-370/上减)'); document.write('¥1077.33
BH-10558-50(加样筒/螺纹螺口/50mL/5个/包)'); document.write('¥31.68
(R)-(-)-3-Chloro-1,2-propanediol, (R)-3-氯-1,2-丙二醇/100g/CAS:57090-45-6'); document.write('¥480