Shipping and Marine
| Wed 24 Jun 2026
Beijing, June 24 -- Dalian Shipbuilding Industry has sought patent for Ultra-narrow Gap Laser Hybrid Welding Method. This invention was developed by Bai He, Cao Yingju, Wang Weiliang, Yang Bo, Zhu Xianbo, Zhang Youwei, Wen Qian, Feng Wenhua, Li Guanghui, Xu Han, Li Gang, Wu Mingming and Liu Chuanwei.
The patent application numb..