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Affilication of Author(s):土建与水利学院
Patent Applicant:ZHANG Jiong,cuixinzhuang
Type of Patent:实用新型
Application Number:201720136201.3
Number of Inventors:2
Service Invention or Not:no
Application Date:2017-02-15
Publication Date:2017-09-05
Authorization Date:2017-09-05
Application Date: 2017-02-15
Publication Date: 2017-09-05
Authorization Date: 2017-09-05