Affilication of Author(s):齐鲁交通学院
Type of Patent:实用新型
Application Number:202022050393.0
Number of Inventors:4
Service Invention or Not:no
Application Date:2020-09-17
Publication Date:2021-03-12
Authorization Date:2021-03-12
Affilication of Author(s):齐鲁交通学院
Type of Patent:实用新型
Application Number:202022050393.0
Number of Inventors:4
Service Invention or Not:no
Application Date:2020-09-17
Publication Date:2021-03-12
Authorization Date:2021-03-12