Affilication of Author(s):土建与水利学院
Patent Applicant:songxiuguang,gezhi
Type of Patent:发明
Application Number:201410001247.5
Number of Inventors:2
Service Invention or Not:no
Application Date:2014-01-02
Publication Date:2016-01-20
Authorization Date:2016-01-20
Application Date: 2014-01-02
Publication Date: 2016-01-20
Authorization Date: 2016-01-20