Shipping and Marine
| Fri 22 Jan 2021
Beijing, Jan. 22 -- China Shipbuilding Ndri Eng has sought patent for locking mechanism of transverse trolley of trailing suction trolley. This invention was developed by Shen Chen, Zhang Jiping, Jiang Mengyan, Wang Yang, Wu Yanqing, Hong Guojun, Zhang Qingbo, Pan Rundao, Jiang Ming, Dong Yuanyue, Xu Ermin and Xu Jian.
The pa..