Affilication of Author(s):土建与水利学院
Patent Applicant:ZHANG Jiong,cuixinzhuang
Type of Patent:实用新型
Application Number:201420535708.2
Number of Inventors:2
Service Invention or Not:no
Application Date:2014-09-17
Publication Date:2015-01-21
Authorization Date:2015-01-21
Application Date: 2014-09-17
Publication Date: 2015-01-21
Authorization Date: 2015-01-21