Affilication of Author(s):齐鲁交通学院
Type of Patent:发明
Application Number:201911311027.1
Number of Inventors:4
Service Invention or Not:no
Application Date:2019-12-18
Publication Date:2021-02-26
Authorization Date:2021-02-26
Affilication of Author(s):齐鲁交通学院
Type of Patent:发明
Application Number:201911311027.1
Number of Inventors:4
Service Invention or Not:no
Application Date:2019-12-18
Publication Date:2021-02-26
Authorization Date:2021-02-26