Affilication of Author(s):齐鲁交通学院
Patent Applicant:jianghongguang,yaozhanyong,Liang Ming,zhangjizhe
Type of Patent:发明
Application Number:2019107532702
Number of Inventors:4
Service Invention or Not:no
Application Date:2019-08-15
Publication Date:2020-04-03
Authorization Date:2020-04-03