Affilication of Author(s):机械工程学院
Patent Applicant:lijianyong
Type of Patent:实用新型
Application Number:201120537746.8
Number of Inventors:1
Service Invention or Not:no
Application Date:2011-12-20
Publication Date:2012-08-15
Authorization Date:2012-08-15
Application Date: 2011-12-20
Publication Date: 2012-08-15
Authorization Date: 2012-08-15