Affilication of Author(s):土建与水利学院
Patent Applicant:ZHANG Jiong,cuixinzhuang
Type of Patent:发明
Application Number:201810225821.3
Number of Inventors:2
Service Invention or Not:no
Application Date:2018-03-19
Publication Date:2021-04-09
Authorization Date:2021-04-09
Application Date: 2018-03-19
Publication Date: 2021-04-09
Authorization Date: 2021-04-09