Hits:
School Sign:第一单位
Disigner of the Invention:华云涛,wangfei,李世昌,王聪聪
Type of Patent:国内
State of Patent:专利授权
Application Number:201910620697.5
Service Invention or Not:no
Application Date:2019-07-10
Authorization Date:2021-11-12
First Author:yinshiping
