【1】Li Huabing, Jiang Zhouhua, Feng Hao, Xia Lingfeng, Zhu Hongchun, Zhang Shucai, Jiao Weichao. Method for producing high nitrogen steel by duplex melting process of pressurized ladle refining and pressurized electroslag remelting, 2023.08.22, USA, US 11,732,337 B2.
发布时间:2024-03-08 点击次数:
