Affilication of Author(s):机械工程学院
Patent Applicant:Zengcai Wang
Type of Patent:实用新型
Application Number:200920027668.X
Number of Inventors:1
Service Invention or Not:no
Application Date:2010-03-10
Affilication of Author(s):机械工程学院
Patent Applicant:Zengcai Wang
Type of Patent:实用新型
Application Number:200920027668.X
Number of Inventors:1
Service Invention or Not:no
Application Date:2010-03-10