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章照宏;朱自强;肖嘉莹;刘正春;刘爱平;牛艳芳, 一种基于永停滴定的改性沥青中改性剂掺入量的检测方法,国家发明专利,201310258129.8

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  • Release time:2020-12-13

  • Type of Patent:Invent

  • State of Patent:Authorized patents

  • Service Invention or Not:no

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