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Patents
Affilication of Author(s):齐鲁交通学院
Patent Applicant:zhangjizhe,yaozhanyong,Liang Ming,jianghongguang
Type of Patent:发明
Application Number:201910334389.6
Number of Inventors:4
Service Invention or Not:no
Application Date:2019-04-24
Publication Date:2020-05-12
Authorization Date:2020-05-12
Publication Date:2020-05-12
Application Date:2019-04-24
Authorization Date:2020-05-12
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