Affilication of Author(s):齐鲁交通学院
Type of Patent:发明
Application Number:201911181760.6
Number of Inventors:3
Service Invention or Not:no
Application Date:2019-11-27
Publication Date:2021-04-06
Authorization Date:2021-04-06
Affilication of Author(s):齐鲁交通学院
Type of Patent:发明
Application Number:201911181760.6
Number of Inventors:3
Service Invention or Not:no
Application Date:2019-11-27
Publication Date:2021-04-06
Authorization Date:2021-04-06