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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
BG-M490064-1(单排管真空气体分配器/四氟节门/六组/双小咀/2号节门)'); document.write('¥340.8
BH-20233-90759(工作灯/世达/双照明/锂电)'); document.write('¥304