Shipping and Marine
| Wed 03 Jun 2026
Beijing, June 3 -- Dalian Shipbuilding Industry has sought patent for Rudder Blade Rotation Angle Detection Method. This invention was developed by Dai Zhentao, Zhang Weibin, Guo Jian, Ren Lixing, Yin Qiang, Liu Mingtao, Ma Yongwu, Zhao Tianyu, Xie Yanfeng, Liu Xiaopeng, Liu Xiaoyang, Yu Changhong, Li Baijiang, Bai Fei and Liu J..