Affilication of Author(s):机械工程学院
Patent Applicant:Wan Yi,Zhanqiang Liu,Song Qinghua
Type of Patent:实用新型
Application Number:201920243937.X
Number of Inventors:3
Service Invention or Not:no
Application Date:2019-02-26
Publication Date:2019-10-22
Authorization Date:2019-10-22