Affilication of Author(s):机械工程学院
Patent Applicant:guokai,Li Jianfeng,sunjie
Type of Patent:实用新型
Application Number:201821262662.6
Number of Inventors:3
Service Invention or Not:no
Application Date:2018-08-06
Publication Date:2019-02-19
Authorization Date:2019-02-19