Affilication of Author(s):图书馆
Patent Coverage:国内
Disigner of the Invention:liang li jin,Yan Xiaolei
Type of Patent:实用新型
State of Patent:专利授权
Application Number:202020659991.5
Authorization number:12200865
Number of Inventors:1
Service Invention or Not:no
Application Date:2020-04-27
Publication Date:2020-07-03
Authorization Date:2020-12-25