Security & Protection
| Tue 09 Dec 2025
Beijing, Dec. 9 -- CCCC Third Harbour Engineering has been granted a patent for Pneumatic Pump with Protective Device. Bi Haixin, Zhou Zhiyong, Lyu Kangkang, Zhao Jingliang, Ji Jie, Wu Jun, Xu Pingjun and Li Guolei developed the invention.
The patent application number is CN202422312543U 20240923. The patent publication number ..