Affilication of Author(s):齐鲁交通学院
Type of Patent:发明
Application Number:201911127996.1
Number of Inventors:4
Service Invention or Not:no
Application Date:2019-11-18
Publication Date:2020-07-28
Authorization Date:2020-07-28
Application Date: 2019-11-18
Publication Date: 2020-07-28
Authorization Date: 2020-07-28