Business and Commerce
| Wed 30 Sep 2026
Beijing, Sept. 29 -- Xue Xiaoyun has secured a patent on Ruler for Measuring Extension Amount of Connecting Rod of Helicopter Tail Speed Reducer. Zhang Tao, Zhao Huigui, Chen Peipei, Wang Qian, Sun Pan, Wang Ming, Yang Yanbo, Xue Xiaoyun, Wang Weite and Ou Chunfeng developed the invention.
The patent application number is CN2..