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1．宋文波，张丽丽，孟繁雨，专利号ZL 2011 1 0072975.1，用于丙酮甲醇共沸物分离的复合萃取剂及其使用方法；

Service Invention or Not:no

Application Date:2018-10-30

Publication Date:2018-10-30

Authorization Date:2018-10-30

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