梅赛德斯-奔驰取得通信装置和通信密码保护方法专利
Group 1 - The core point of the article is that Mercedes-Benz Group has obtained a patent for a "communication device and communication password protection method" [1] Group 2 - The patent was granted with the announcement number CN115152176B [1] - The application date for the patent was February 2021 [1]