Affilication of Author(s):土建与水利学院
Disigner of the Invention:wangxingju
Type of Patent:实用新型
Application Number:201420646444.8
Number of Inventors:20
Service Invention or Not:no
Application Date:2014-10-31
Publication Date:2015-01-21
Authorization Date:2014-10-31
Application Date: 2014-10-31
Publication Date: 2015-01-21
Authorization Date: 2014-10-31