School Sign:第一单位
Disigner of the Invention:李立华,于元林,夏泽,lixuehua,郑闯凯
Type of Patent:国内
State of Patent:专利授权
Application Number:201910917325.9
Service Invention or Not:no
Application Date:2019-09-26
Authorization Date:2020-09-25
First Author:yaoqiangling