Affilication of Author(s):齐鲁交通学院
Type of Patent:实用新型
Application Number:202022130062.8
Number of Inventors:4
Service Invention or Not:no
Application Date:2020-09-24
Publication Date:2021-06-11
Authorization Date:2021-06-11
Affilication of Author(s):齐鲁交通学院
Type of Patent:实用新型
Application Number:202022130062.8
Number of Inventors:4
Service Invention or Not:no
Application Date:2020-09-24
Publication Date:2021-06-11
Authorization Date:2021-06-11