Affilication of Author(s):土建与水利学院
Patent Applicant:ZHANG Jiong,cuixinzhuang
Type of Patent:发明
Application Number:201710064241.6
Number of Inventors:2
Service Invention or Not:no
Application Date:2017-02-04
Publication Date:2019-05-07
Authorization Date:2019-05-07
Application Date: 2017-02-04
Publication Date: 2019-05-07
Authorization Date: 2019-05-07