Zhen Cao

Person

  • Shijiazhuang, Hebei, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Steel ladle drainage method

    • Patent number 12,005,495
    • Issue date Jun 11, 2024
    • HEBEI VOCATIONAL UNIVERSITY OF INDUSTRY AND TECHNOLOGY
    • Lei Cao
    • B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents