郑莲琼
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Affilication of Author(s):土木工程学院
Patent Coverage:国内
Disigner of the Invention:曹汝忠,周继忠
Type of Patent:实用新型
State of Patent:专利授权
Application Number:201920127571.X
Authorization number:10006684
Number of Inventors:6
Service Invention or Not:no
Application Date:2019-01-25
Publication Date:2020-02-07
Authorization Date:2020-02-07