四维图新:关于获得发明专利证书的公告
Group 1 - The core point of the article is that Siwei Tuxin has recently received 8 invention patent certificates from the China National Intellectual Property Administration and the United States Patent and Trademark Office [1] Group 2 - The patents were awarded to Siwei Tuxin and its subsidiaries, including Hefei Jiefa Technology Co., Ltd., Wuhan Jiekai Technology Co., Ltd., Beijing Century Gaotong Technology Co., Ltd., and Zhonghuan Satellite Navigation Communication Co., Ltd. [1]