Tobacco
| Thu 30 Jul 2026
Beijing, July 30 -- State Intellectual Property Office of China has published Yunnan Tobacco of Qujing Branch patent application for Tobacco Stem Pulling Device. The invention was developed by Zi Linkun, Xie Yanfen, Qi Xiaokang, Liu Zefan, Li Shixiang, Wang Ping, Ji Hongying, Li Xiaoxi, Zhu Jiamin, Li Zhu'an, Mei Runlin, Ma Li, ..