Affilication of Author(s):土建与水利学院
Patent Applicant:gezhi
Type of Patent:实用新型
Application Number:201420191527.2
Number of Inventors:2
Service Invention or Not:no
Application Date:2014-04-17
Publication Date:2014-09-24
Authorization Date:2014-04-17
Application Date: 2014-04-17
Publication Date: 2014-09-24
Authorization Date: 2014-04-17