Affilication of Author(s):土建与水利学院
Patent Applicant:jinqing,ZHANG Jiong,zhengyingjie,cuixinzhuang
Type of Patent:实用新型
Application Number:201520190520.3
Number of Inventors:4
Service Invention or Not:no
Application Date:2015-03-31
Publication Date:2015-08-12
Authorization Date:2015-08-12
Application Date: 2015-03-31
Publication Date: 2015-08-12
Authorization Date: 2015-08-12