Affilication of Author(s):土建与水利学院
Type of Patent:实用新型
Application Number:201120452399.9
Number of Inventors:10
Service Invention or Not:no
Application Date:2001-11-15
Publication Date:2012-07-11
Authorization Date:2001-11-15
Application Date: 2001-11-15
Publication Date: 2012-07-11
Authorization Date: 2001-11-15