Affilication of Author(s):土建与水利学院
Patent Applicant:jinqing,cuixinzhuang,ZHANG Jiong
Type of Patent:实用新型
Application Number:201820311150.8
Number of Inventors:3
Service Invention or Not:no
Application Date:2018-03-07
Publication Date:2018-11-30
Authorization Date:2018-11-30