School Sign:青岛科技大学
Type of Patent:Invent
State of Patent:Authorized patents
Authorization number:CN 109402663B
Number of Inventors:3
Service Invention or Not:yes
Application Date:2018-09-04
Authorization Date:2021-09-07
School Sign:青岛科技大学
Type of Patent:Invent
State of Patent:Authorized patents
Authorization number:CN 109402663B
Number of Inventors:3
Service Invention or Not:yes
Application Date:2018-09-04
Authorization Date:2021-09-07