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Affilication of Author(s):土建与水利学院
Type of Patent:实用新型
Application Number:201521080194.7
Number of Inventors:4
Service Invention or Not:no
Application Date:2015-12-22
Publication Date:2016-05-04
Authorization Date:2015-12-22
Pre One:一种分级结构磷酸锌化学转化膜的制备方法