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Affilication of Author(s):机械工程学院
Patent Applicant:Wan Yi,Song Qinghua,liangxichang,Wang Jilai
Type of Patent:实用新型
Application Number:201821057805.X
Number of Inventors:4
Service Invention or Not:no
Application Date:2018-07-04
Publication Date:2019-01-29
Authorization Date:2019-01-29
