Patent Applicant: 周昱旸，侯俊，杨梓俊，等.
Type of Patent: Utility model patent
State of Patent: Have authorized
Authorization number: ZL 202021632047.7
Service Invention or Not: no
Application Date: 2021-12-08
Authorization Date: 2022-12-15
yangzijun
Patent Applicant: 周昱旸，侯俊，杨梓俊，等.
Type of Patent: Utility model patent
State of Patent: Have authorized
Authorization number: ZL 202021632047.7
Service Invention or Not: no
Application Date: 2021-12-08
Authorization Date: 2022-12-15