School Sign:第一单位
Disigner of the Invention:周国庆
Type of Patent:国内
State of Patent:专利授权
Application Number:201810034092.3
Number of Inventors:2
Service Invention or Not:no
Application Date:2018-01-12
Publication Date:2018-08-10
Authorization Date:2020-09-25
First Author:Liu Zhan