School Sign:第一单位
Disigner of the Invention:牛志军,李立华,王烜辉,汤传金,马军强
Type of Patent:国内
State of Patent:专利授权
Application Number:201910917249.1
Service Invention or Not:no
Application Date:2019-09-26
Authorization Date:2021-01-01
First Author:yaoqiangling