Affilication of Author(s):齐鲁交通学院
Type of Patent:发明
Application Number:201910969994.0
Number of Inventors:3
Service Invention or Not:no
Application Date:2019-10-12
Publication Date:2020-10-20
Authorization Date:2020-10-20
Application Date: 2019-10-12
Publication Date: 2020-10-20
Authorization Date: 2020-10-20