Tools and Machinery
| Wed 01 Apr 2026
Alexandria, April 2 -- U.S. Patent and Trademark Office has awarded a patent to Ccteg Taiyuan Res Institute and Shanxi Tiandi Coal Mining Machinery Co Ltd for Bolter Miner and Tunneling System. Wang Bukang, Wang Hong, Zhang Xiaofeng, Ma Kai, Li Faquan, Wang Dianwu, Ding Yongcheng, Jia Jianwei, Ma Qiang, Wang Hao, Qiao Yanhua, Re..