Education
| Wed 23 Apr 2025
Beijing, April 24 -- Anhui Institute of International Business has been granted a patent for portable drawing device. He Shangkai, Gao Quanzhong, Cai Zhengce, Gao Liang, Zhang Yan, Wan Wei, Li Fei, Lee Kang-san, Li Yi, Qi Lian and Wang Li developed the invention.
The patent application number is CN202420101463U 20240116. The ..