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Affilication of Author(s):土建与水利学院
Patent Applicant:Xue Yiguo,sumaoxin,qiudaohong,lishucai
Type of Patent:实用新型
Application Number:201220292688.1
Number of Inventors:4
Service Invention or Not:no
Application Date:2012-06-21
Publication Date:2013-01-23
Authorization Date:2013-01-23