Tools and Machinery
| Wed 12 Feb 2025
Beijing, Feb. 13 -- Chinese Patent for gravel spreading device has been issued to Hunan Expressway Group and Yueyang Road and Bridge Group. This invention was developed by Li Zhao, Yao Tao, Luo Anbang, Li Jianbao, Yi Gang, Yang Yinfei, Wu Mengtao, Cao Yong, Feng Wei, Tang Wenyang, Yang Yang, Wang Wei, Zhou Jiqian and Yan Li.
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