Affilication of Author(s):土建与水利学院
Patent Applicant:gezhi
Type of Patent:发明
Application Number:201710165733.4
Number of Inventors:3
Service Invention or Not:no
Application Date:2017-03-20
Publication Date:2018-07-20
Authorization Date:2018-07-20
Application Date: 2017-03-20
Publication Date: 2018-07-20
Authorization Date: 2018-07-20