Views: 47 Author: Site Editor Publish Time: 2019-11-27 Origin: Site
The lightbar with speaker(Item No.:TBD-8200B-S) from Wenzhou Jinzheng Safety Technology Co., Ltd. has obtained the invention patent certificate issued by the State Intellectual Property Office of the People's Republic of China.The patent term of this patent is ten years from the date of application.
The picture of certificate: