Affilication of Author(s):齐鲁交通学院
Type of Patent:实用新型
Application Number:202220648710.5
Number of Inventors:2
Service Invention or Not:no
Application Date:2022-03-23
Publication Date:2022-09-09
Authorization Date:2022-09-09
Affilication of Author(s):齐鲁交通学院
Type of Patent:实用新型
Application Number:202220648710.5
Number of Inventors:2
Service Invention or Not:no
Application Date:2022-03-23
Publication Date:2022-09-09
Authorization Date:2022-09-09