Tobacco
| Tue 02 Dec 2025
Beijing, Dec. 3 -- State Intellectual Property Office of China has awarded a patent to China Tobacco Guangdong Industrial for Adjustable Spraying Device. Chen Jianfeng, Hayashi Toshiaki, Guan Wenfeng, Qin Feng, Ling Airong, Lei Jiamin, Chen Zhenye, Wu Yingxiang, Zhou Weitao, He Zhaolong, Wu Jianyu, Zhou Jiawen, Xiao Shuai, Wu Zo..