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Disigner of the Invention:季文峰,陈同彦,刘锦昆,lixin,吴文婧,fengxin
Affilication of Author(s):水利工程学院
Application Date:2016-03-29
Application Number:201610185295.3
Pre One:一种预应力钢筒混凝土管的插口抗裂结构及其制造方法.
