Education
| Wed 30 Sep 2026
Beijing, Sept. 30 -- State Intellectual Property Office of China has awarded a patent to Shandong Lukan Group for Inclination Angle Detection Ruler. Sun Liangqiang, Meng Xiaojuan, Liu Xiaolei, Wang Jian, Wang Peng, Liu Xujie, Zheng Lijuan, Zhang Xinliang, Zhang Huaichao and Men Guangchuang developed the invention.
The patent ap..