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Affilication of Author(s):土建与水利学院
Patent Applicant:Xue Yiguo,qiudaohong,wangzhechao,lishucai
Type of Patent:实用新型
Application Number:201120568455.5
Number of Inventors:4
Service Invention or Not:no
Application Date:2011-12-30
Publication Date:2012-09-05
Authorization Date:2012-09-05