Affilication of Author(s):土建与水利学院
Patent Applicant:sunrenjuan,gezhi
Type of Patent:实用新型
Application Number:201720023957.7
Number of Inventors:2
Service Invention or Not:no
Application Date:2017-01-10
Publication Date:2017-08-08
Authorization Date:2017-08-08
Application Date: 2017-01-10
Publication Date: 2017-08-08
Authorization Date: 2017-08-08