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1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride, 1-乙基-(3-二甲基氨基丙基)碳酰二亚胺盐酸盐(EDC)/1kg/CAS:25952-53-8
'); document.write('¥2250

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BT-19899-G6-60(流量计/玻璃转子/气体/6-60mL/min)
'); document.write('¥106.67

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