Affilication of Author(s):环境科学与工程学院
Patent Applicant:yueqinyan,gaobaoyu
Type of Patent:实用新型
Application Number:200820224335.1
Number of Inventors:2
Service Invention or Not:no
Application Date:2008-11-27
Publication Date:2009-08-19
Authorization Date:2009-08-19
Application Date: 2008-11-27
Publication Date: 2009-08-19
Authorization Date: 2009-08-19