Hits:
Patent Applicant:郭忠义,马骏
Type of Patent:Invent
State of Patent:Authorized patents
Authorization number:ZL202110554898.7
Service Invention or Not:no
Authorization Date:2022-08-24
First Author:郭凯
Hits:
Patent Applicant:郭忠义,马骏
Type of Patent:Invent
State of Patent:Authorized patents
Authorization number:ZL202110554898.7
Service Invention or Not:no
Authorization Date:2022-08-24
First Author:郭凯