Affilication of Author(s):土建与水利学院
Patent Applicant:zhanghongbo,songxiuguang,gezhi
Type of Patent:发明
Application Number:201410019823.9
Number of Inventors:3
Service Invention or Not:no
Application Date:2014-01-16
Publication Date:2016-08-17
Authorization Date:2016-08-17
Application Date: 2014-01-16
Publication Date: 2016-08-17
Authorization Date: 2016-08-17