Affilication of Author(s):机械工程学院
Patent Applicant:Song Qinghua
Disigner of the Invention:tangweixiao
Type of Patent:实用新型
Application Number:201120434443.3
Number of Inventors:3
Service Invention or Not:no
Application Date:2011-11-07
Publication Date:2012-06-27
Authorization Date:2011-11-07