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1.硼酸：amchfot@yahoo.com2.丁酮：vantage@allchem.com3.磷酸：jp.kim@chemaral.com4.聚乙二醇：socane@socane.com5.聚碳酸酯：sales@lucentpolymers.com6.偏磷酸钠：vci@frontier.com7.硝酸：M.DUMAINE@SNCZ.NET8.氢氧化钠：chunlong@daihansci.co.kr9.硫氰酸按：gpeterson@hestialabs.com10.尿素：emarketingaustralia@yahoo.com.au
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