Patent Applicant: Luo, 张辉傲, 张佳萌
Type of Patent: Utility model patent
Authorization number: ZL201921919599.3
Service Invention or Not: no
Authorization Date: 2020-08-07
First Author: Luo
Patent Applicant: Luo, 张辉傲, 张佳萌
Type of Patent: Utility model patent
Authorization number: ZL201921919599.3
Service Invention or Not: no
Authorization Date: 2020-08-07
First Author: Luo