Affilication of Author(s):齐鲁交通学院
Type of Patent:发明
Application Number:201911088849.8
Number of Inventors:2
Service Invention or Not:no
Application Date:2019-11-08
Publication Date:2021-07-09
Authorization Date:2021-07-09
Affilication of Author(s):齐鲁交通学院
Type of Patent:发明
Application Number:201911088849.8
Number of Inventors:2
Service Invention or Not:no
Application Date:2019-11-08
Publication Date:2021-07-09
Authorization Date:2021-07-09