Affilication of Author(s):机械工程学院
Patent Applicant:yuanquan
Disigner of the Invention:Cong Hua
Type of Patent:实用新型
Application Number:200820173458.7
Number of Inventors:5
Service Invention or Not:no
Application Date:2008-10-27
Publication Date:2009-08-19
Authorization Date:2008-10-27
Application Date: 2008-10-27
Publication Date: 2009-08-19
Authorization Date: 2008-10-27