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Affilication of Author(s):机械工程学院
Patent Applicant:Song Qinghua,Zhanqiang Liu,shizhenyu,Wan Yi
Type of Patent:实用新型
Application Number:201720498287.4
Number of Inventors:4
Service Invention or Not:no
Application Date:2017-05-05
Publication Date:2017-12-05
Authorization Date:2017-12-05