Measurement & Testing
| Sat 14 Jun 2025
Beijing, June 14 -- Hubei Minghe Planning And Design Co Ltd has received a patent for folding type drawing measuring ruler. This invention was developed by Li Jun, Cheng Hong, Chen Quanliang, Fu Shijie, To Shin, Xu Weijian, Yang Xinyu, Chen Chaoyun, Gong Shiyin, Li Dongsheng, Liu Chen and Li Tangping.
The patent application n..