Affilication of Author(s):土建与水利学院
Patent Applicant:zhaoranhang
Type of Patent:实用新型
Application Number:201720526981.2
Number of Inventors:1
Service Invention or Not:no
Application Date:2017-05-12
Publication Date:2017-12-12
Authorization Date:2017-12-12
Application Date: 2017-05-12
Publication Date: 2017-12-12
Authorization Date: 2017-12-12