Affilication of Author(s):土建与水利学院
Patent Applicant:houyue,sunrenjuan,gezhi
Type of Patent:发明
Application Number:201510640437.6
Number of Inventors:3
Service Invention or Not:no
Application Date:2015-09-30
Publication Date:2017-11-10
Authorization Date:2017-11-10
Application Date: 2015-09-30
Publication Date: 2017-11-10
Authorization Date: 2017-11-10