Haojun Liu

2 Patents

• US123507862025

  Apparatus for Automatically Polishing Butt Weld of Ultralong Large-diameter Pipeline

  CHINA RAILWAY NO. 3 ENGINEERING GROUP CO., Ltd.

  0 cites
• US123264712025

  Transformer Bushing Partial Discharge Monitoring Chip Device and Method

  STATE GRID ZHEJIANG ELECTRIC POWER COMPANY LIMITED ELECTRIC POWER RESEARCH INSTITUTE

  0 cites