Type of Patent:Invent
State of Patent:Authorized patents
Authorization number:ZL.202010431372.5
Service Invention or Not:no
Authorization Date:2021-12-24
First Author:王金海
Disigner of the Invention:孙俊
Type of Patent:Invent
State of Patent:Authorized patents
Authorization number:ZL.202010431372.5
Service Invention or Not:no
Authorization Date:2021-12-24
First Author:王金海
Disigner of the Invention:孙俊