Education
| Mon 17 Nov 2025
Beijing, Nov. 17 -- Beijing Institute Graphic Communication has submitted a patent application for Bill Book Separating Device. This invention was developed by Chai Chengwen, Wu Shuqin, Liu Haohong, Wang Yiming, Zhao Jibin, Li Shuai, Qin Rihong, Li Tianlin and Li Peirong.
The patent application number is CN202411990164 20241231..