Yunfei Yu

2 Patents

• US121881982025

  Method for Constructing Fixed Monitoring Pile for Mining Area with High Phreatic Water Level

  HUAINAN MINING (GROUP) CO., Ltd

  0 cites
• US121340812024

  Continuous Preparation System and Method for Vinylidene Chloride

  JUHUA GROUP CO., Ltd.

  0 cites